bpo-46425: Fix direct invocation of multiple test modules (GH-30666)

Lib/test/test_compileall.py

@@ -3,7 +3,6 @@
 import filecmp
 import importlib.util
 import io
-import itertools
 import os
 import pathlib
 import py_compile
@@ -29,9 +28,8 @@
 from test import support
 from test.support import os_helper
 from test.support import script_helper
-
-from .test_py_compile import without_source_date_epoch
-from .test_py_compile import SourceDateEpochTestMeta
+from test.test_py_compile import without_source_date_epoch
+from test.test_py_compile import SourceDateEpochTestMeta
 
 
 def get_pyc(script, opt):

Lib/test/test_distutils.py

@@ -5,7 +5,7 @@
 be run.
 """
 
-import warnings
+import unittest
 from test import support
 from test.support import warnings_helper
 

Lib/test/test_dtrace.py

@@ -170,4 +170,4 @@ class SystemTapOptimizedTests(TraceTests, unittest.TestCase):
 
 
 if __name__ == '__main__':
-    test_main()
+    unittest.main()

Lib/test/test_tools/test_freeze.py

@@ -6,8 +6,8 @@
 
 from test import support
 from test.support import os_helper
+from test.test_tools import imports_under_tool, skip_if_missing
 
-from . import imports_under_tool, skip_if_missing
 skip_if_missing('freeze')
 with imports_under_tool('freeze', 'test'):
     import freeze as helper

Lib/test/test_zipfile64.py

@@ -18,8 +18,9 @@
 from tempfile import TemporaryFile
 
 from test.support import os_helper
-from test.support import TESTFN, requires_zlib
+from test.support import requires_zlib
 
+TESTFN = os_helper.TESTFN
 TESTFN2 = TESTFN + "2"
 
 # How much time in seconds can pass before we print a 'Still working' message.

Lib/unittest/test/test_program.py

@@ -6,7 +6,7 @@
 from test import support
 import unittest
 import unittest.test
-from .test_result import BufferedWriter
+from unittest.test.test_result import BufferedWriter
 
 
 class Test_TestProgram(unittest.TestCase):