Restored exception masking - although i'm not sure it's a good thing.

src/Mod/Test/TestApp.py

@@ -34,24 +34,24 @@ import unittest
 def tryLoadingTest(testName):
     "Loads and returns testName, or a failing TestCase if unsuccessful."
 
-#    try:
-    return unittest.defaultTestLoader.loadTestsFromName(testName)
+    try:
+        return unittest.defaultTestLoader.loadTestsFromName(testName)
 
-#    except ImportError:
-#        class LoadFailed(unittest.TestCase):
-#            def __init__(self, testName):
-#                # setattr() first, because TestCase ctor checks for methodName.
-#                setattr(self, "failed_to_load_" + testName, self._runTest)
-#                super(LoadFailed, self).__init__("failed_to_load_" + testName)
-#                self.testName = testName
-#
-#            def __name__(self):
-#                return "Loading " + self.testName
-#
-#            def _runTest(self):
-#                self.fail("Couldn't load " + self.testName)
-#
-#        return LoadFailed(testName)
+    except ImportError:
+        class LoadFailed(unittest.TestCase):
+            def __init__(self, testName):
+                # setattr() first, because TestCase ctor checks for methodName.
+                setattr(self, "failed_to_load_" + testName, self._runTest)
+                super(LoadFailed, self).__init__("failed_to_load_" + testName)
+                self.testName = testName
+
+            def __name__(self):
+                return "Loading " + self.testName
+
+            def _runTest(self):
+                self.fail("Couldn't load " + self.testName)
+
+        return LoadFailed(testName)
 
 def All():
     # Base system tests