diff --git a/lldb/test/benchmarks/disassembly/TestDisassembly.py b/lldb/test/benchmarks/disassembly/TestDisassembly.py
index fb5b49f7ddb3..0993f0516690 100644
--- a/lldb/test/benchmarks/disassembly/TestDisassembly.py
+++ b/lldb/test/benchmarks/disassembly/TestDisassembly.py
@@ -37,6 +37,7 @@ class DisassembleDriverMainLoop(BenchBase):
             self.count = 5
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_run_lldb_then_gdb(self):
         """Test disassembly on a large function with lldb vs. gdb."""
         print
@@ -51,6 +52,7 @@ class DisassembleDriverMainLoop(BenchBase):
         print "lldb_avg/gdb_avg: %f" % (self.lldb_avg/self.gdb_avg)
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_run_gdb_then_lldb(self):
         """Test disassembly on a large function with lldb vs. gdb."""
         print
diff --git a/lldb/test/benchmarks/disassembly/TestXcode41Vs42GDBDisassembly.py b/lldb/test/benchmarks/disassembly/TestXcode41Vs42GDBDisassembly.py
index 977993a18e44..fc036d05c955 100644
--- a/lldb/test/benchmarks/disassembly/TestXcode41Vs42GDBDisassembly.py
+++ b/lldb/test/benchmarks/disassembly/TestXcode41Vs42GDBDisassembly.py
@@ -22,6 +22,7 @@ class XCode41Vs42GDBDisassembly(BenchBase):
             self.count = 5
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_run_41_then_42(self):
         """Test disassembly on a large function with 4.1 vs. 4.2's gdb."""
         print
@@ -34,6 +35,7 @@ class XCode41Vs42GDBDisassembly(BenchBase):
         print "gdb_42_avg/gdb_41_avg: %f" % (self.gdb_42_avg/self.gdb_41_avg)
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_run_42_then_41(self):
         """Test disassembly on a large function with 4.1 vs. 4.2's gdb."""
         print
diff --git a/lldb/test/benchmarks/expression/TestExpressionCmd.py b/lldb/test/benchmarks/expression/TestExpressionCmd.py
index 3bce16cdcd4e..693398d19b8a 100644
--- a/lldb/test/benchmarks/expression/TestExpressionCmd.py
+++ b/lldb/test/benchmarks/expression/TestExpressionCmd.py
@@ -18,6 +18,7 @@ class ExpressionEvaluationCase(BenchBase):
             self.count = 25
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_expr_cmd(self):
         """Test lldb's expression commands and collect statistics."""
         self.buildDefault()
diff --git a/lldb/test/benchmarks/expression/TestRepeatedExprs.py b/lldb/test/benchmarks/expression/TestRepeatedExprs.py
index 68383c74f6b6..8fad1e75b7a6 100644
--- a/lldb/test/benchmarks/expression/TestRepeatedExprs.py
+++ b/lldb/test/benchmarks/expression/TestRepeatedExprs.py
@@ -20,6 +20,7 @@ class RepeatedExprsCase(BenchBase):
             self.count = 100
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_compare_lldb_to_gdb(self):
         """Test repeated expressions with lldb vs. gdb."""
         self.buildDefault()
diff --git a/lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py b/lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py
index e35210890684..2da69268e9ad 100644
--- a/lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py
+++ b/lldb/test/benchmarks/frame_variable/TestFrameVariableResponse.py
@@ -25,6 +25,7 @@ class FrameVariableResponseBench(BenchBase):
             self.count = 20
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_startup_delay(self):
         """Test response time for the 'frame variable' command."""
         print
diff --git a/lldb/test/benchmarks/startup/TestStartupDelays.py b/lldb/test/benchmarks/startup/TestStartupDelays.py
index f0b9aeffa16f..8a9ba43b93ff 100644
--- a/lldb/test/benchmarks/startup/TestStartupDelays.py
+++ b/lldb/test/benchmarks/startup/TestStartupDelays.py
@@ -30,6 +30,7 @@ class StartupDelaysBench(BenchBase):
             self.count = 30
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_startup_delay(self):
         """Test start up delays creating a target, setting a breakpoint, and run to breakpoint stop."""
         print
diff --git a/lldb/test/benchmarks/stepping/TestRunHooksThenSteppings.py b/lldb/test/benchmarks/stepping/TestRunHooksThenSteppings.py
index d51da2e9558e..9161cefc117c 100644
--- a/lldb/test/benchmarks/stepping/TestRunHooksThenSteppings.py
+++ b/lldb/test/benchmarks/stepping/TestRunHooksThenSteppings.py
@@ -16,6 +16,7 @@ class RunHooksThenSteppingsBench(BenchBase):
             self.count = 50
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldb_runhooks_then_steppings(self):
         """Test lldb steppings on a large executable."""
         print
diff --git a/lldb/test/benchmarks/stepping/TestSteppingSpeed.py b/lldb/test/benchmarks/stepping/TestSteppingSpeed.py
index 974ec20d04c0..479c4cd0d100 100644
--- a/lldb/test/benchmarks/stepping/TestSteppingSpeed.py
+++ b/lldb/test/benchmarks/stepping/TestSteppingSpeed.py
@@ -28,6 +28,7 @@ class SteppingSpeedBench(BenchBase):
         #print "self.break_spec=%s" % self.break_spec
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_run_lldb_steppings(self):
         """Test lldb steppings on a large executable."""
         print
diff --git a/lldb/test/benchmarks/turnaround/TestCompileRunToBreakpointTurnaround.py b/lldb/test/benchmarks/turnaround/TestCompileRunToBreakpointTurnaround.py
index 6644d993a3cb..c3c5fc7f1b10 100644
--- a/lldb/test/benchmarks/turnaround/TestCompileRunToBreakpointTurnaround.py
+++ b/lldb/test/benchmarks/turnaround/TestCompileRunToBreakpointTurnaround.py
@@ -22,6 +22,7 @@ class CompileRunToBreakpointBench(BenchBase):
         self.gdb_avg = None
 
     @benchmarks_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_run_lldb_then_gdb(self):
         """Benchmark turnaround time with lldb vs. gdb."""
         print
diff --git a/lldb/test/driver/batch_mode/TestBatchMode.py b/lldb/test/driver/batch_mode/TestBatchMode.py
index 649a36a4729b..06af9d2e8ffe 100644
--- a/lldb/test/driver/batch_mode/TestBatchMode.py
+++ b/lldb/test/driver/batch_mode/TestBatchMode.py
@@ -5,7 +5,10 @@ Test that the lldb driver's batch mode works correctly.
 import os, time
 import unittest2
 import lldb
-import pexpect
+try:
+    import pexpect
+except:
+    pexpect = None
 from lldbtest import *
 
 class DriverBatchModeTest (TestBase):
@@ -22,6 +25,7 @@ class DriverBatchModeTest (TestBase):
         self.batch_mode ()
 
     @unittest2.expectedFailure("<rdar://problem/18684124>, lldb doesn't reliably print the prompt when run under pexpect")
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @dwarf_test
     def test_driver_batch_mode_with_dwarf(self):
         """Test that the lldb driver's batch mode works correctly."""
diff --git a/lldb/test/functionalities/command_regex/TestCommandRegex.py b/lldb/test/functionalities/command_regex/TestCommandRegex.py
index 1cc5a4bb24e8..3d76cf3879bc 100644
--- a/lldb/test/functionalities/command_regex/TestCommandRegex.py
+++ b/lldb/test/functionalities/command_regex/TestCommandRegex.py
@@ -11,6 +11,7 @@ class CommandRegexTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_command_regex(self):
         """Test a simple scenario of 'command regex' invocation and subsequent use."""
         import pexpect
diff --git a/lldb/test/functionalities/completion/TestCompletion.py b/lldb/test/functionalities/completion/TestCompletion.py
index 4b3c64dcd8fe..6f77b8b90bda 100644
--- a/lldb/test/functionalities/completion/TestCompletion.py
+++ b/lldb/test/functionalities/completion/TestCompletion.py
@@ -20,96 +20,119 @@ class CommandLineCompletionTestCase(TestBase):
         except:
             pass
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_at(self):
         """Test that 'at' completes to 'attach '."""
         self.complete_from_to('at', 'attach ')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_de(self):
         """Test that 'de' completes to 'detach '."""
         self.complete_from_to('de', 'detach ')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_process_attach_dash_dash_con(self):
         """Test that 'process attach --con' completes to 'process attach --continue '."""
         self.complete_from_to('process attach --con', 'process attach --continue ')
 
     # <rdar://problem/11052829>
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_infinite_loop_while_completing(self):
         """Test that 'process print hello\' completes to itself and does not infinite loop."""
         self.complete_from_to('process print hello\\', 'process print hello\\',
                               turn_off_re_match=True)
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_watchpoint_command_dash_w_space(self):
         """Test that 'watchpoint command' completes to ['Available completions:', 'add', 'delete', 'list']."""
         self.complete_from_to('watchpoint command', ['Available completions:', 'add', 'delete', 'list'])
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_watchpoint_set_variable_dash_w(self):
         """Test that 'watchpoint set variable -w' completes to 'watchpoint set variable -w '."""
         self.complete_from_to('watchpoint set variable -w', 'watchpoint set variable -w ')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_watchpoint_set_variable_dash_w_space(self):
         """Test that 'watchpoint set variable -w ' completes to ['Available completions:', 'read', 'write', 'read_write']."""
         self.complete_from_to('watchpoint set variable -w ', ['Available completions:', 'read', 'write', 'read_write'])
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_watchpoint_set_ex(self):
         """Test that 'watchpoint set ex' completes to 'watchpoint set expression '."""
         self.complete_from_to('watchpoint set ex', 'watchpoint set expression ')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_watchpoint_set_var(self):
         """Test that 'watchpoint set var' completes to 'watchpoint set variable '."""
         self.complete_from_to('watchpoint set var', 'watchpoint set variable ')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_watchpoint_set_variable_dash_w_read_underbar(self):
         """Test that 'watchpoint set variable -w read_' completes to 'watchpoint set variable -w read_write'."""
         self.complete_from_to('watchpoint set variable -w read_', 'watchpoint set variable -w read_write')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_help_fi(self):
         """Test that 'help fi' completes to ['Available completions:', 'file', 'finish']."""
         self.complete_from_to('help fi', ['Available completions:', 'file', 'finish'])
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_help_watchpoint_s(self):
         """Test that 'help watchpoint s' completes to 'help watchpoint set '."""
         self.complete_from_to('help watchpoint s', 'help watchpoint set ')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_append_target_er(self):
         """Test that 'settings append target.er' completes to 'settings append target.error-path'."""
         self.complete_from_to('settings append target.er', 'settings append target.error-path')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_insert_after_target_en(self):
         """Test that 'settings insert-after target.env' completes to 'settings insert-after target.env-vars'."""
         self.complete_from_to('settings insert-after target.env', 'settings insert-after target.env-vars')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_insert_before_target_en(self):
         """Test that 'settings insert-before target.env' completes to 'settings insert-before target.env-vars'."""
         self.complete_from_to('settings insert-before target.env', 'settings insert-before target.env-vars')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_replace_target_ru(self):
         """Test that 'settings replace target.ru' completes to 'settings replace target.run-args'."""
         self.complete_from_to('settings replace target.ru', 'settings replace target.run-args')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_s(self):
         """Test that 'settings s' completes to ['Available completions:', 'set', 'show']."""
         self.complete_from_to('settings s', ['Available completions:', 'set', 'show'])
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_set_th(self):
         """Test that 'settings set th' completes to 'settings set thread-format'."""
         self.complete_from_to('settings set th', 'settings set thread-format')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_s_dash(self):
         """Test that 'settings set -' completes to 'settings set -g'."""
         self.complete_from_to('settings set -', 'settings set -g')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_clear_th(self):
         """Test that 'settings clear th' completes to 'settings clear thread-format'."""
         self.complete_from_to('settings clear th', 'settings clear thread-format')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_set_ta(self):
         """Test that 'settings set ta' completes to 'settings set target.'."""
         self.complete_from_to('settings set ta', 'settings set target.')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_set_target_exec(self):
         """Test that 'settings set target.exec' completes to 'settings set target.exec-search-paths '."""
         self.complete_from_to('settings set target.exec', 'settings set target.exec-search-paths')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_set_target_pr(self):
         """Test that 'settings set target.pr' completes to ['Available completions:',
         'target.prefer-dynamic-value', 'target.process.']."""
@@ -118,14 +141,17 @@ class CommandLineCompletionTestCase(TestBase):
                                'target.prefer-dynamic-value',
                                'target.process.'])
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_set_target_process(self):
         """Test that 'settings set target.process' completes to 'settings set target.process.'."""
         self.complete_from_to('settings set target.process', 'settings set target.process.')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_set_target_process_dot(self):
         """Test that 'settings set target.process.t' completes to 'settings set target.process.thread.'."""
         self.complete_from_to('settings set target.process.t', 'settings set target.process.thread.')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_settings_set_target_process_thread_dot(self):
         """Test that 'settings set target.process.thread.' completes to ['Available completions:',
         'target.process.thread.step-avoid-regexp', 'target.process.thread.trace-thread']."""
@@ -134,6 +160,7 @@ class CommandLineCompletionTestCase(TestBase):
                                'target.process.thread.step-avoid-regexp',
                                'target.process.thread.trace-thread'])
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_target_space(self):
         """Test that 'target ' completes to ['Available completions:', 'create', 'delete', 'list',
         'modules', 'select', 'stop-hook', 'variable']."""
@@ -141,10 +168,12 @@ class CommandLineCompletionTestCase(TestBase):
                               ['Available completions:', 'create', 'delete', 'list',
                                'modules', 'select', 'stop-hook', 'variable'])
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_target_create_dash_co(self):
         """Test that 'target create --co' completes to 'target variable --core '."""
         self.complete_from_to('target create --co', 'target create --core ')
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_target_va(self):
         """Test that 'target va' completes to 'target variable '."""
         self.complete_from_to('target va', 'target variable ')
diff --git a/lldb/test/functionalities/connect_remote/TestConnectRemote.py b/lldb/test/functionalities/connect_remote/TestConnectRemote.py
index fed832dbf55a..5472c80044d7 100644
--- a/lldb/test/functionalities/connect_remote/TestConnectRemote.py
+++ b/lldb/test/functionalities/connect_remote/TestConnectRemote.py
@@ -12,6 +12,7 @@ class ConnectRemoteTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_connect_remote(self):
         """Test "process connect connect:://localhost:[port]"."""
 
diff --git a/lldb/test/functionalities/embedded_interpreter/TestConvenienceVariables.py b/lldb/test/functionalities/embedded_interpreter/TestConvenienceVariables.py
index 7a0a733b7a19..a8211064c6b6 100644
--- a/lldb/test/functionalities/embedded_interpreter/TestConvenienceVariables.py
+++ b/lldb/test/functionalities/embedded_interpreter/TestConvenienceVariables.py
@@ -21,6 +21,7 @@ class ConvenienceVariablesCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr17228
     @skipIfRemote
     @expectedFailureLinux("llvm.org/pr20276") # intermittent failure on Linux
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_with_dwarf_and_run_commands(self):
         """Test convenience variables lldb.debugger, lldb.target, lldb.process, lldb.thread, and lldb.frame."""
         self.buildDwarf()
diff --git a/lldb/test/functionalities/single-quote-in-filename-to-lldb/TestSingleQuoteInFilename.py b/lldb/test/functionalities/single-quote-in-filename-to-lldb/TestSingleQuoteInFilename.py
index 8ecf52353bb1..cc8e5adf4ab7 100644
--- a/lldb/test/functionalities/single-quote-in-filename-to-lldb/TestSingleQuoteInFilename.py
+++ b/lldb/test/functionalities/single-quote-in-filename-to-lldb/TestSingleQuoteInFilename.py
@@ -22,6 +22,7 @@ class SingleQuoteInCommandLineTestCase(TestBase):
         except:
             pass
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldb_invocation_with_single_quote_in_filename(self):
         """Test that 'lldb my_file_name' works where my_file_name is a string with a single quote char in it."""
         import pexpect
diff --git a/lldb/test/functionalities/stop-hook/TestStopHookMechanism.py b/lldb/test/functionalities/stop-hook/TestStopHookMechanism.py
index b259950003ba..c871c15ee194 100644
--- a/lldb/test/functionalities/stop-hook/TestStopHookMechanism.py
+++ b/lldb/test/functionalities/stop-hook/TestStopHookMechanism.py
@@ -20,6 +20,7 @@ class StopHookMechanismTestCase(TestBase):
 
     @skipIfFreeBSD # llvm.org/pr15037
     @expectedFailureLinux('llvm.org/pr15037') # stop-hooks sometimes fail to fire on Linux
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @dwarf_test
     def test_with_dwarf(self):
         """Test the stop-hook mechanism."""
diff --git a/lldb/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py b/lldb/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py
index 72fe15273e52..d5534750e2b5 100644
--- a/lldb/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py
+++ b/lldb/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py
@@ -22,6 +22,7 @@ class StopHookForMultipleThreadsTestCase(TestBase):
     @dwarf_test
     @expectedFailureFreeBSD("llvm.org/pr15037")
     @expectedFailureLinux("llvm.org/pr15037") # stop hooks sometimes fail to fire on Linux
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_stop_hook_multiple_threads_with_dwarf(self):
         """Test that lldb stop-hook works for multiple threads."""
         self.buildDwarf(dictionary=self.d)
diff --git a/lldb/test/terminal/TestSTTYBeforeAndAfter.py b/lldb/test/terminal/TestSTTYBeforeAndAfter.py
index 927b79052698..7dbc5d581183 100644
--- a/lldb/test/terminal/TestSTTYBeforeAndAfter.py
+++ b/lldb/test/terminal/TestSTTYBeforeAndAfter.py
@@ -19,6 +19,7 @@ class CommandLineCompletionTestCase(TestBase):
         cls.RemoveTempFile("child_send2.txt")
         cls.RemoveTempFile("child_read2.txt")
 
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_stty_dash_a_before_and_afetr_invoking_lldb_command(self):
         """Test that 'stty -a' displays the same output before and after running the lldb command."""
         import pexpect
diff --git a/lldb/test/tools/lldb-mi/TestMiBreakpoint.py b/lldb/test/tools/lldb-mi/TestMiBreakpoint.py
index ed26344541fb..28604e98177f 100644
--- a/lldb/test/tools/lldb-mi/TestMiBreakpoint.py
+++ b/lldb/test/tools/lldb-mi/TestMiBreakpoint.py
@@ -23,6 +23,7 @@ class MiBreakpointTestCase(TestBase):
             pass
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_pendbreakonsym(self):
         """Test that 'lldb-mi --interpreter' works for pending symbol breakpoints."""
         import pexpect
@@ -71,6 +72,7 @@ class MiBreakpointTestCase(TestBase):
                 substrs = ["breakpoint-hit"])
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_pendbreakonsrc(self):
         """Test that 'lldb-mi --interpreter' works for pending source breakpoints."""
         import pexpect
@@ -122,6 +124,7 @@ class MiBreakpointTestCase(TestBase):
                 substrs = ["breakpoint-hit"])
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_breakpoints(self):
         """Test that 'lldb-mi --interpreter' works for breakpoints."""
         import pexpect
diff --git a/lldb/test/tools/lldb-mi/TestMiEvaluate.py b/lldb/test/tools/lldb-mi/TestMiEvaluate.py
index 0c193dc7a5be..a06632ded75e 100644
--- a/lldb/test/tools/lldb-mi/TestMiEvaluate.py
+++ b/lldb/test/tools/lldb-mi/TestMiEvaluate.py
@@ -23,6 +23,7 @@ class MiEvaluateTestCase(TestBase):
             pass
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_eval(self):
         """Test that 'lldb-mi --interpreter' works for evaluating."""
         import pexpect
diff --git a/lldb/test/tools/lldb-mi/TestMiInterrupt.py b/lldb/test/tools/lldb-mi/TestMiInterrupt.py
index 60690a604bc4..967bf1f70a4f 100644
--- a/lldb/test/tools/lldb-mi/TestMiInterrupt.py
+++ b/lldb/test/tools/lldb-mi/TestMiInterrupt.py
@@ -23,6 +23,7 @@ class MiInterruptTestCase(TestBase):
             pass
 
     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @lldbmi_test
     def test_lldbmi_interrupt(self):
         """Test that 'lldb-mi --interpreter' interrupt and resume a looping app."""
diff --git a/lldb/test/tools/lldb-mi/TestMiLaunch.py b/lldb/test/tools/lldb-mi/TestMiLaunch.py
index 78e2c7c1f4de..d303214123f2 100644
--- a/lldb/test/tools/lldb-mi/TestMiLaunch.py
+++ b/lldb/test/tools/lldb-mi/TestMiLaunch.py
@@ -23,6 +23,7 @@ class MiLaunchTestCase(TestBase):
             pass
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_exe(self):
         """Test that 'lldb-mi --interpreter' works for -file-exec-and-symbols exe."""
         import pexpect
@@ -62,6 +63,7 @@ class MiLaunchTestCase(TestBase):
                 print from_child
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_abspathexe(self):
         """Test that 'lldb-mi --interpreter' works for -file-exec-and-symbols fullpath/exe."""
         import pexpect
@@ -102,6 +104,7 @@ class MiLaunchTestCase(TestBase):
                 print from_child
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_relpathexe(self):
         """Test that 'lldb-mi --interpreter' works for -file-exec-and-symbols relpath/exe."""
         import pexpect
@@ -142,6 +145,7 @@ class MiLaunchTestCase(TestBase):
                 print from_child
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_badpathexe(self):
         """Test that 'lldb-mi --interpreter' works for -file-exec-and-symbols badpath/exe."""
         import pexpect
diff --git a/lldb/test/tools/lldb-mi/TestMiProgramArgs.py b/lldb/test/tools/lldb-mi/TestMiProgramArgs.py
index e84d6e3f9a5a..b080c016e1fe 100644
--- a/lldb/test/tools/lldb-mi/TestMiProgramArgs.py
+++ b/lldb/test/tools/lldb-mi/TestMiProgramArgs.py
@@ -24,6 +24,7 @@ class MiProgramArgsTestCase(TestBase):
 
     @unittest2.skip("lldb-mi can't pass params to app.")
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_paramargs(self):
         """Test that 'lldb-mi --interpreter' can pass arguments to the app."""
         import pexpect
diff --git a/lldb/test/tools/lldb-mi/TestMiStack.py b/lldb/test/tools/lldb-mi/TestMiStack.py
index 10c723d8a917..8a599c28e54b 100644
--- a/lldb/test/tools/lldb-mi/TestMiStack.py
+++ b/lldb/test/tools/lldb-mi/TestMiStack.py
@@ -23,6 +23,7 @@ class MiStackTestCase(TestBase):
             pass
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_stackargs(self):
         """Test that 'lldb-mi --interpreter' can shows arguments."""
         import pexpect
@@ -69,6 +70,7 @@ class MiStackTestCase(TestBase):
                 print from_child
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_locals(self):
         """Test that 'lldb-mi --interpreter' can shows local variables."""
         import pexpect
diff --git a/lldb/test/tools/lldb-mi/TestMiSyntax.py b/lldb/test/tools/lldb-mi/TestMiSyntax.py
index bfb03a428c2d..6de26aee7524 100644
--- a/lldb/test/tools/lldb-mi/TestMiSyntax.py
+++ b/lldb/test/tools/lldb-mi/TestMiSyntax.py
@@ -23,6 +23,7 @@ class MiSyntaxTestCase(TestBase):
             pass
 
     @lldbmi_test
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     def test_lldbmi_tokens(self):
         """Test that 'lldb-mi --interpreter' echos command tokens."""
         import pexpect