Maybe fix tests

Author: Avasam

com/win32com/test/testPyComTest.py

@@ -7,12 +7,12 @@
 import datetime
 import decimal
 import os
+import platform
 import time
+from unittest import SkipTest
 
 import pythoncom
-import pywintypes
 import win32com
-import win32com.client.connect
 import win32com.test.util
 import win32timezone
 import winerror
@@ -23,8 +23,10 @@
     DispatchBaseClass,
     Record,
     constants,
+    gencache,
     register_record_class,
 )
+from win32com.universal import RegisterInterfaces
 from win32process import GetProcessMemoryInfo
 
 importMsg = "**** PyCOMTest is not installed ***\n  PyCOMTest is a Python test specific COM client and server.\n  It is likely this server is not installed on this machine\n  To install the server, you must get the win32com sources\n  and build it using MS Visual C++"
@@ -35,8 +37,6 @@
     "Python.Test.PyCOMTest",
 )
 
-from win32com.client import gencache
-
 try:
     gencache.EnsureModule(
         "{6BCDCB60-5605-11D0-AE5F-CADD4C000000}", 0, 1, 1, bForDemand=False
@@ -46,12 +46,6 @@
     print(importMsg)
     raise RuntimeError(importMsg)
 
-# We had a bg where RegisterInterfaces would fail if gencache had
-# already been run - exercise that here
-from win32com import universal
-
-universal.RegisterInterfaces("{6BCDCB60-5605-11D0-AE5F-CADD4C000000}", 0, 1, 1)
-
 verbose = 0
 
 
@@ -886,15 +880,27 @@ def TestQueryInterface(long_lived_server=0, iterations=5):
 
 
 class Tester(win32com.test.util.TestCase):
-    def testVTableInProc(self):
+    def testRegisterInterfacesAfterGencache(self) -> None:
+        # We had a bug where RegisterInterfaces would fail if gencache had
+        # already been run - exercise that here
+        try:
+            RegisterInterfaces("{6BCDCB60-5605-11D0-AE5F-CADD4C000000}", 0, 1, 1)
+        except NotImplementedError:
+            if platform.machine() == "ARM64":
+                raise SkipTest(
+                    "`win32com.universal.RegisterInterfaces` doesn't support ARM64 yet"
+                )
+            raise
+
+    def testVTableInProc(self) -> None:
         # We used to crash running this the second time - do it a few times
         for i in range(3):
-            progress("Testing VTables in-process #%d..." % (i + 1))
+            progress(f"Testing VTables in-process #{(i + 1)}...")
             TestVTable(pythoncom.CLSCTX_INPROC_SERVER)
 
-    def testVTableLocalServer(self):
+    def testVTableLocalServer(self) -> None:
         for i in range(3):
-            progress("Testing VTables out-of-process #%d..." % (i + 1))
+            progress(f"Testing VTables out-of-process #{(i + 1)}...")
             TestVTable(pythoncom.CLSCTX_LOCAL_SERVER)
 
     def testVTable2(self):