gulpfile.js

// Injecting mock data after 'index' task has run
  gulp.src('./.tmp/index.html')
      .pipe(g.inject( gulp.src('./src/mock/*.{js,css}'),
                    { read: false,
                      addRootSlash:false,
                      ignorePath: 'src/mock',
                      starttag: '<!-- inject:mock:{{ext}} -->'
                    }))
      .pipe(gulp.dest('./.tmp/'));