Disabled tests on Windows

Author: GeorgeKA

clang/test/Driver/flang/unsupported_in_flang.f90

@@ -1,3 +1,4 @@
+! UNSUPPORTED: system-windows
 ! NOTE: This lit test was automatically generated to validate unintentionally exposed arguments to various driver flavours.
 ! NOTE: To make changes, see /Users/georgeasante/llvm-project/clang/utils/generate_unsupported_in_drivermode.py from which it was generated.
 

clang/test/Driver/unsupported_in_drivermode.c

@@ -1,3 +1,4 @@
+// UNSUPPORTED: system-windows
 // NOTE: This lit test was automatically generated to validate unintentionally exposed arguments to various driver flavours.
 // NOTE: To make changes, see /Users/georgeasante/llvm-project/clang/utils/generate_unsupported_in_drivermode.py from which it was generated.
 

clang/utils/generate_unsupported_in_drivermode.py

@@ -385,6 +385,7 @@ def get_lit_test_note(test_visibility):
     test_prefix = EXCLAMATION if test_visibility == VISIBILITY_FLANG else SLASH_SLASH
 
     return (
+        f"{test_prefix}UNSUPPORTED: system-windows\n"
         f"{test_prefix}NOTE: This lit test was automatically generated to validate "
         "unintentionally exposed arguments to various driver flavours.\n"
         f"{test_prefix}NOTE: To make changes, see "