Index: Lib/test/test_import.py
===================================================================
--- Lib/test/test_import.py	(revision 83069)
+++ Lib/test/test_import.py	(working copy)
@@ -10,6 +10,10 @@
 import sys
 import unittest
 
+# Imports from importlib below are to re-use relevant tests in importlib on __import__
+import importlib.test.import_.test_relative_imports
+import importlib.test.import_.util
+
 from test.support import (
     EnvironmentVarGuard, TESTFN, check_warnings, forget, is_jython,
     make_legacy_pyc, rmtree, run_unittest, swap_attr, swap_item, temp_umask,
@@ -632,11 +636,16 @@
         self.assertEqual(sys.modules['pep3147.foo'].__cached__,
                          os.path.join(os.curdir, foo_pyc))
 
+#--- Re-uses of importlib testcases
+class ImportlibRelativeImports(importlib.test.import_.test_relative_imports.RelativeImports):
+    def setUp(self):
+        importlib.test.import_.util.using___import__ = True
+    
 
 def test_main(verbose=None):
     run_unittest(ImportTests, PycacheTests,
                  PycRewritingTests, PathsTests, RelativeImportTests,
-                 OverridingImportBuiltinTests)
+                 OverridingImportBuiltinTests, ImportlibRelativeImports)
 
 
 if __name__ == '__main__':