Bug 1208199 - test_osfile_async_setDates.js doesn't need to handle pending/finished state manually;r=yoric

--HG--
extra : transplant_source : %3C%D9%92Fw-%1E%B3%C6B%15Zgc%0Ex%04%DA%7F%9D

toolkit/components/osfile/tests/xpcshell/test_osfile_async_setDates.js

@@ -10,7 +10,6 @@ Components.utils.import("resource://gre/modules/Task.jsm");
  */
 
 function run_test() {
-  do_test_pending();
   run_next_test();
 }
 
@@ -189,7 +188,7 @@ add_task(function* test_proto() {
 });
 
 // Tests setting dates on directories.
-add_task(function test_dirs() {
+add_task(function* test_dirs() {
   let path = OS.Path.join(OS.Constants.Path.tmpDir,
                               "test_osfile_async_setDates_dir");
   yield OS.File.makeDir(path);
@@ -210,5 +209,3 @@ add_task(function test_dirs() {
     yield OS.File.removeEmptyDir(path);
   }
 });
-
-add_task(do_test_finished);