Issue python#133: Fix the Stackless test suite

Adapt Stackless/unittests/runAll.py to issue python#25220.

Stackless/unittests/runAll.py

@@ -13,22 +13,33 @@
 # just to make sure, it can be imported
 import support  # @UnusedImport
 
-from test import regrtest
+from test import libregrtest
 from test import __path__ as test_path
 
 # path of the Stackless unittest directory
-path = os.path.split(__file__)[0]
+path = os.path.abspath(os.path.split(__file__)[0])
 # add the stackless unittest dir to the package "test"
 test_path.insert(0, path)
 
-# monkey patch: remove all standard tests
-del regrtest.STDTESTS[:]
-
-
-def main():
-    return regrtest.main(testdir=path)
+def main(tests=None, **kwargs):
+    kwargs.setdefault("testdir", path)
+    return libregrtest.main(tests=tests, **kwargs)
+
+def main_in_temp_cwd(tests=None, **kwargs):
+    kwargs.setdefault("testdir", path)
+    # unfortunately, libregrtest.main_in_temp_cwd() does not support
+    # **kwargs. Monkey patch it
+    mglobals = libregrtest.main_in_temp_cwd.__globals__
+    real_main = mglobals["main"]
+    def main():
+        return real_main(tests, **kwargs)
+    mglobals["main"] = main
+    try:
+        libregrtest.main_in_temp_cwd()
+    finally:
+        mglobals["main"] = real_main
 
 if __name__ == '__main__':
-    main()
+    main_in_temp_cwd()
     import gc
     gc.set_debug(gc.DEBUG_UNCOLLECTABLE)