Fix typos in test_faulthandler skipIfs for ubsan. (GH-11386)

(cherry picked from commit d6f45b23a59de5782ba38d3c698da9c08aaca11b)

Co-authored-by: Gregory P. Smith <greg@krypto.org>
diff --git a/Lib/test/test_faulthandler.py b/Lib/test/test_faulthandler.py
index 69a6f0f..700b7ad 100644
--- a/Lib/test/test_faulthandler.py
+++ b/Lib/test/test_faulthandler.py
@@ -23,11 +23,11 @@
 _cflags = sysconfig.get_config_var('CFLAGS') or ''
 _config_args = sysconfig.get_config_var('CONFIG_ARGS') or ''
 UB_SANITIZER = (
-    '-fsanitizer=undefined' in _cflags or
+    '-fsanitize=undefined' in _cflags or
     '--with-undefined-behavior-sanitizer' in _config_args
 )
 MEMORY_SANITIZER = (
-    '-fsanitizer=memory' in _cflags or
+    '-fsanitize=memory' in _cflags or
     '--with-memory-sanitizer' in _config_args
 )
 
@@ -265,7 +265,7 @@
             'Segmentation fault')
 
     @unittest.skipIf(UB_SANITIZER or MEMORY_SANITIZER,
-                     "sanizer builds change crashing process output.")
+                     "sanitizer builds change crashing process output.")
     @skip_segfault_on_android
     def test_enable_file(self):
         with temporary_filename() as filename:
@@ -282,7 +282,7 @@
     @unittest.skipIf(sys.platform == "win32",
                      "subprocess doesn't support pass_fds on Windows")
     @unittest.skipIf(UB_SANITIZER or MEMORY_SANITIZER,
-                     "sanizer builds change crashing process output.")
+                     "sanitizer builds change crashing process output.")
     @skip_segfault_on_android
     def test_enable_fd(self):
         with tempfile.TemporaryFile('wb+') as fp: