unit_test_result_tracker introduced for correct exception handling

method has_passed introduced to support dependencies


[SVN r18718]

libs/test

@@ -1 +1 @@
-Subproject commit 6ef8f247ad4031d7ab8bea4aa1424df82e2219a1
+Subproject commit 82e3420c5e15be7e379f5b2744bf5cdcdf94b0f4