[lldb/Test] Skip test using files to synchronize.

Files written by the inferior are not captured by the reproducers and
the inferior doesn't actually run during replay.

lldb/test/API/commands/settings/TestSettings.py

@@ -203,10 +203,12 @@ class SettingsCommandTestCase(TestBase):
                     substrs=["5ah"])
 
     @skipIfDarwinEmbedded   # <rdar://problem/34446098> debugserver on ios etc can't write files
+    @skipIfReproducer
     def test_run_args_and_env_vars(self):
         self.do_test_run_args_and_env_vars(use_launchsimple=False)
 
     @skipIfDarwinEmbedded   # <rdar://problem/34446098> debugserver on ios etc can't write files
+    @skipIfReproducer
     def test_launchsimple_args_and_env_vars(self):
         self.do_test_run_args_and_env_vars(use_launchsimple=True)
 
@@ -286,6 +288,7 @@ class SettingsCommandTestCase(TestBase):
                 "Environment variable 'MY_ENV_VAR' successfully passed."])
 
     @skipIfRemote  # it doesn't make sense to send host env to remote target
+    @skipIfReproducer
     def test_pass_host_env_vars(self):
         """Test that the host env vars are passed to the launched process."""
         self.build()
@@ -382,6 +385,7 @@ class SettingsCommandTestCase(TestBase):
                 "The host environment variable 'MY_HOST_ENV_VAR2' successfully passed."])
 
     @skipIfDarwinEmbedded   # <rdar://problem/34446098> debugserver on ios etc can't write files
+    @skipIfReproducer
     def test_set_error_output_path(self):
         """Test that setting target.error/output-path for the launched process works."""
         self.build()

lldb/test/API/commands/settings/quoting/TestQuoting.py

@@ -64,6 +64,7 @@ class SettingsCommandTestCase(TestBase):
     def test_bare_double(self):
         self.do_test_args('a\\"b', 'a"b\0')
 
+    @skipIfReproducer # Reproducers don't know about output.txt
     def do_test_args(self, args_in, args_out):
         """Test argument parsing. Run the program with args_in. The program dumps its arguments
         to stdout. Compare the stdout with args_out."""