Index: lldb/test/API/functionalities/data-formatter/setvaluefromcstring/TestSetValueFromCString.py
===================================================================
--- lldb/test/API/functionalities/data-formatter/setvaluefromcstring/TestSetValueFromCString.py
+++ lldb/test/API/functionalities/data-formatter/setvaluefromcstring/TestSetValueFromCString.py
@@ -2,6 +2,4 @@
 from lldbsuite.test import decorators
 
 lldbinline.MakeInlineTest(
-    __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfNetBSD, decorators.skipIfWindows])
+    __file__, globals(), [decorators.skipUnlessDarwin])
Index: lldb/test/API/lang/objc/objc-foundation-dictionary-empty/TestNSDictionary0.py
===================================================================
--- lldb/test/API/lang/objc/objc-foundation-dictionary-empty/TestNSDictionary0.py
+++ lldb/test/API/lang/objc/objc-foundation-dictionary-empty/TestNSDictionary0.py
@@ -2,6 +2,4 @@
 from lldbsuite.test import decorators
 
 lldbinline.MakeInlineTest(
-    __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD])
+    __file__, globals(), [decorators.skipUnlessDarwin])
Index: lldb/test/API/lang/objc/objc-ivar-protocols/TestIvarProtocols.py
===================================================================
--- lldb/test/API/lang/objc/objc-ivar-protocols/TestIvarProtocols.py
+++ lldb/test/API/lang/objc/objc-ivar-protocols/TestIvarProtocols.py
@@ -2,6 +2,4 @@
 from lldbsuite.test import decorators
 
 lldbinline.MakeInlineTest(
-    __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD])
+    __file__, globals(), [decorators.skipUnlessDarwin])
Index: lldb/test/API/lang/objc/objc-runtime-ivars/TestRuntimeIvars.py
===================================================================
--- lldb/test/API/lang/objc/objc-runtime-ivars/TestRuntimeIvars.py
+++ lldb/test/API/lang/objc/objc-runtime-ivars/TestRuntimeIvars.py
@@ -3,6 +3,5 @@
 
 lldbinline.MakeInlineTest(
     __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD,
+        decorators.skipUnlessDarwin,
         decorators.skipIf(archs=["i386", "i686"])])
Index: lldb/test/API/lang/objc/variadic_methods/TestVariadicMethods.py
===================================================================
--- lldb/test/API/lang/objc/variadic_methods/TestVariadicMethods.py
+++ lldb/test/API/lang/objc/variadic_methods/TestVariadicMethods.py
@@ -2,6 +2,4 @@
 from lldbsuite.test import decorators
 
 lldbinline.MakeInlineTest(
-    __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD])
+    __file__, globals(), [decorators.skipUnlessDarwin])
Index: lldb/test/API/lang/objcxx/class-name-clash/TestNameClash.py
===================================================================
--- lldb/test/API/lang/objcxx/class-name-clash/TestNameClash.py
+++ lldb/test/API/lang/objcxx/class-name-clash/TestNameClash.py
@@ -2,6 +2,4 @@
 from lldbsuite.test import lldbinline
 
 lldbinline.MakeInlineTest(
-    __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD])
+    __file__, globals(), [decorators.skipUnlessDarwin])
Index: lldb/test/API/lang/objcxx/hide-runtime-values/TestObjCXXHideRuntimeValues.py
===================================================================
--- lldb/test/API/lang/objcxx/hide-runtime-values/TestObjCXXHideRuntimeValues.py
+++ lldb/test/API/lang/objcxx/hide-runtime-values/TestObjCXXHideRuntimeValues.py
@@ -9,10 +9,7 @@
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @skipIfFreeBSD
-    @skipIfLinux
-    @skipIfWindows
-    @skipIfNetBSD
+    @skipUnlessDarwin
     def test_hide_runtime_support_values(self):
         self.build()
         _, process, _, _ = lldbutil.run_to_source_breakpoint(
Index: lldb/test/API/lang/objcxx/objcxx-ivar-vector/TestIvarVector.py
===================================================================
--- lldb/test/API/lang/objcxx/objcxx-ivar-vector/TestIvarVector.py
+++ lldb/test/API/lang/objcxx/objcxx-ivar-vector/TestIvarVector.py
@@ -2,6 +2,4 @@
 from lldbsuite.test import lldbinline
 
 lldbinline.MakeInlineTest(
-    __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD])
+    __file__, globals(), [decorators.skipUnlessDarwin])
Index: lldb/test/API/python_api/exprpath_synthetic/TestExprPathSynthetic.py
===================================================================
--- lldb/test/API/python_api/exprpath_synthetic/TestExprPathSynthetic.py
+++ lldb/test/API/python_api/exprpath_synthetic/TestExprPathSynthetic.py
@@ -2,6 +2,4 @@
 from lldbsuite.test import lldbinline
 
 lldbinline.MakeInlineTest(
-    __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD])
+    __file__, globals(), [decorators.skipUnlessDarwin])
Index: lldb/test/API/python_api/sbtype_typeclass/TestSBTypeTypeClass.py
===================================================================
--- lldb/test/API/python_api/sbtype_typeclass/TestSBTypeTypeClass.py
+++ lldb/test/API/python_api/sbtype_typeclass/TestSBTypeTypeClass.py
@@ -3,8 +3,7 @@
 
 lldbinline.MakeInlineTest(
     __file__, globals(), [
-        decorators.skipIfFreeBSD, decorators.skipIfLinux,
-        decorators.skipIfWindows, decorators.skipIfNetBSD,
+        decorators.skipUnlessDarwin,
         decorators.expectedFailureAll(
             oslist=['macosx'], archs=['i386'],
             bugnumber='rdar://28656677')])