test.c: Fix too sticky unit test failed status.

Rerunning a failed unit test after loading any required modules should
allow the test to report a pass status if it now passes.
........

Merged revisions 403782 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@403784 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/test.c

@@ -250,6 +250,7 @@ static void test_execute(struct ast_test *test)
 		test->state = AST_TEST_FAIL;
 		goto exit;
 	}
+	test->state = AST_TEST_NOT_RUN;
 	result = test->cb(&test->info, TEST_EXECUTE, test);
 	if (test->state != AST_TEST_FAIL) {
 		test->state = result;