fixed e2e file path plus unused code deletion

gulpfile.js

@@ -92,22 +92,6 @@ gulp.task('smokes-only', () => {
         .pipe(jasmine({reporter: 'none'}));
 });
 
-/**
- * Runs the backend tests.
- */
-// gulp.task('test', ['test-only'], async () => {
-//     gulp.watch('./services/**/*', ['test-only']);
-//     gulp.unwatch('./services/node_modules');
-// });
-
-// gulp.task('test-only', () => {
-//     const jasmine = require('gulp-jasmine');
-//     gulp.src('./loopback/common/**/*[sS]pec.js')
-//     .pipe(jasmine(
-//         require('./services-test.config')
-//     ));
-// });
-
 /**
  * Cleans all generated project files.
  */