[lldb/Test] Move @skipIfAsan from test class to test methods.

skipTestIfFn can only be used to decorate a test method.

lldb/packages/Python/lldbsuite/test/lang/objc/foundation/TestFoundationDisassembly.py

@@ -11,13 +11,13 @@ from lldbsuite.test import lldbutil
 
 
 @skipUnlessDarwin
-@skipIfAsan
 class FoundationDisassembleTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
     NO_DEBUG_INFO_TESTCASE = True
 
+    @skipIfAsan
     def test_foundation_disasm(self):
         """Do 'disassemble -n func' on each and every 'Code' symbol entry from the Foundation.framework."""
         self.build()
@@ -63,6 +63,7 @@ class FoundationDisassembleTestCase(TestBase):
                 self.runCmd('image lookup -s "%s"' % func)
                 self.runCmd('disassemble -n "%s"' % func)
 
+    @skipIfAsan
     def test_simple_disasm(self):
         """Test the lldb 'disassemble' command"""
         self.build()