Enable some tests (#1064)

Author: slozier

Src/IronPythonTest/Cases/CPythonCasesManifest.ini

@@ -322,7 +322,7 @@ Reason=ImportError: No module named _crypt
 
 [CPython.test_ctypes]
 Ignore=true
-Reason=Blocked by https://github.com/IronLanguages/ironpython3/issues/11
+Reason=Covered by individual test cases - CPython.ctypes.test
 
 [CPython.test_curses]
 RunCondition=$(IS_POSIX)
@@ -486,7 +486,7 @@ Reason=Creates/deletes a directory with static name 'xx'
 
 [CPython.test_glob]
 Ignore=true
-Reason=Blocked by https://github.com/IronLanguages/ironpython3/issues/11
+Reason=cannot use a string pattern on a bytes-like object
 
 [CPython.test_grp]
 RunCondition=$(IS_POSIX)
@@ -567,7 +567,6 @@ Ignore=true
 
 [CPython.test_lib2to3]
 Ignore=true
-Reason=Blocked by https://github.com/IronLanguages/ironpython3/issues/11
 
 [CPython.test_list]
 IsolationLevel=ENGINE
@@ -1000,7 +999,6 @@ Reason=ImportError: No module named '_tkinter'
 
 [CPython.test_tokenize]
 Ignore=true
-Reason=Blocked by https://github.com/IronLanguages/ironpython3/issues/11
 
 [CPython.test_tools]
 Ignore=true
@@ -1125,25 +1123,15 @@ Ignore=true
 [CPython.test_zlib]
 Ignore=true
 
-[CPython.unittest.test_assertions]
-Ignore=true
-Reason=Blocked by https://github.com/IronLanguages/ironpython3/issues/11
-
 [CPython.unittest.test_break]
 Ignore=true
 
 [CPython.unittest.test_case]
 Ignore=true
 
-[CPython.unittest.test_discovery]
-Ignore=true
-
 [CPython.unittest.test_loader]
 Ignore=true
 
-[CPython.unittest.test_result]
-Ignore=true
-
 [CPython.unittest.test_runner]
 Ignore=true
 

Src/StdLib/Lib/unittest/test/test_assertions.py

@@ -124,8 +124,10 @@ def test_with(self):
                     self.foo()
 
         Foo("test_functional").run()
+        import gc; gc.collect() # ironpython requires a GC to release the reference
         self.assertIsNone(wr())
         Foo("test_with").run()
+        gc.collect() # ironpython requires a GC to release the reference
         self.assertIsNone(wr())
 
     def testAssertNotRegex(self):