Update unittest make rule to match new output.

Author: H. S. Teoh

test/unittest/Makefile

@@ -38,7 +38,7 @@ $(ROOT)/%.done: customhandler.d
 	$(QUIET)$(TIMELIMIT)$(ROOT)/tester_$(patsubst %.done,%, $(notdir $@)) > $@ 2>&1; test $$? -eq $(RETCODE)
 	$(QUIET)test $(HASMAIN) -eq 0 || grep -q main $@
 	$(QUIET)test $(HASMAIN) -eq 1 || ! grep -q main $@
-	$(QUIET)test -z "$(TESTTEXT)" || grep -q "unittests $(TESTTEXT)" $@
+	$(QUIET)test -z "$(TESTTEXT)" || grep -q "$(TESTTEXT) unittests" $@
 	$(QUIET)test -n "$(TESTTEXT)" || ! grep -q "unittests" $@
 clean:
 	rm -rf $(GENERATED)