Revert Bug 599653 and Bug 599693, due to odd red I don't have the time to investigate.

Makefile.in

@@ -76,10 +76,10 @@ default export libs clean realclean distclean alldep maybe_clobber_profiledbuild
 	$(MAKE) -C mozilla $@
 
 ifdef ENABLE_TESTS
-check mochitest reftest crashtest xpcshell-tests::
-	$(MAKE) -C mozilla $@
-
-mochitest-% ::
+check \
+mochitest mochitest-plain mochitest-chrome mochitest-browser-chrome mochitest-a11y \
+reftest crashtest \
+xpcshell-tests::
 	$(MAKE) -C mozilla $@
 endif
 

mailnews/Makefile.in

@@ -96,7 +96,7 @@ libs::
 # list is kept in the same order as the effective DIRS just so things turn up
 # in the same order as the build.
 
-TEST_DIRS = base $(PARALLEL_DIRS) extensions/bayesian-spam-filter extensions/mdn
+TEST_DIRS = base $(PARALLEL_DIRS) extensions/bayesian-spam-filter
 
 xpcshell-tests::
 	for dir in $(TEST_DIRS); do \