Bug 454320 - top level test targets should support specifying a test path

This changeset allows the specifying of the --test-path parameter when using the
top-level targets to run mochi-type tests.
r=ted

browser/build.mk

@@ -62,8 +62,16 @@ install::
 
 ifdef ENABLE_TESTS
 # Implemented in testing/testsuite-targets.mk
+
+# Browser tests live in a slightly different location, so we correct the path
+ifdef TEST_PATH
+BROWSER_TEST_PATH = --test-path=../browser/$(TEST_PATH)
+else
+BROWSER_TEST_PATH =
+endif
+
 mochitest-browser-chrome:
-	$(RUN_MOCHITEST) --browser-chrome
+	$(RUN_MOCHITEST) --browser-chrome $(BROWSER_TEST_PATH)
 	$(CHECK_TEST_ERROR)
 
 mochitest:: mochitest-browser-chrome

testing/testsuite-targets.mk

@@ -52,16 +52,22 @@ define CHECK_TEST_ERROR
 endef
 endif
 
+ifdef TEST_PATH
+MOCHITEST_PATH = --test-path=$(TEST_PATH)
+else
+MOCHITEST_PATH =
+endif
+
 mochitest-plain:
-	$(RUN_MOCHITEST)
+	$(RUN_MOCHITEST) $(MOCHITEST_PATH)
 	$(CHECK_TEST_ERROR)
 
 mochitest-chrome:
-	$(RUN_MOCHITEST) --chrome
+	$(RUN_MOCHITEST) --chrome $(MOCHITEST_PATH)
 	$(CHECK_TEST_ERROR)
 
 mochitest-a11y:
-	$(RUN_MOCHITEST) --a11y
+	$(RUN_MOCHITEST) --a11y $(MOCHITEST_PATH)
 	$(CHECK_TEST_ERROR)
 
 .PHONY: mochitest mochitest-plain mochitest-chrome mochitest-a11y