diff --git a/Lib/distutils/tests/test_build_ext.py b/Lib/distutils/tests/test_build_ext.py
index 5e47e0773a9649..9da7d4090bc3e1 100644
--- a/Lib/distutils/tests/test_build_ext.py
+++ b/Lib/distutils/tests/test_build_ext.py
@@ -492,7 +492,7 @@ def _try_compile_deployment_target(self, operator, target):
         # format the target value as defined in the Apple
         # Availability Macros.  We can't use the macro names since
         # at least one value we test with will not exist yet.
-        if target[1] < 10:
+        if target < (10, 10):
             # for 10.1 through 10.9.x -> "10n0"
             target = '%02d%01d0' % target
         else:
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index 5ad306e0ed5795..45ca08819fb36c 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -246,7 +246,7 @@ def test_mac_ver(self):
             self.assertEqual(res[1], ('', '', ''))
 
             if sys.byteorder == 'little':
-                self.assertIn(res[2], ('i386', 'x86_64'))
+                self.assertIn(res[2], ('i386', 'x86_64', 'arm64'))
             else:
                 self.assertEqual(res[2], 'PowerPC')
 
diff --git a/Misc/NEWS.d/next/Tests/2020-07-01-17-40-32.bpo-41100.lGf8DF.rst b/Misc/NEWS.d/next/Tests/2020-07-01-17-40-32.bpo-41100.lGf8DF.rst
new file mode 100644
index 00000000000000..58fac02c4e15c6
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2020-07-01-17-40-32.bpo-41100.lGf8DF.rst
@@ -0,0 +1 @@
+test fixes for Mac OS 11
\ No newline at end of file