style(launcher): fix != to !==

Author: juliemr

lib/launcher.js

@@ -206,7 +206,7 @@ var reporter = {
       if (taskReporter.failedCount) {
         log_(shortName + ' failed ' + taskReporter.failedCount + ' test(s)');
         specFailures += taskReporter.failedCount;
-      } else if (taskReporter.exitCode != 0) {
+      } else if (taskReporter.exitCode !== 0) {
         log_(shortName + ' failed with exit code: ' + taskReporter.exitCode);
         processFailures += 1;
       } else {