Hii @kartik,
You first have to load jQuery in the karma.conf.js then this is how your list should look:
// list of files / patterns to load in the browser
files: [
'app/bower_components/jquery/jquery.js',
'app/bower_components/angular/angular.js',
'app/bower_components/moment/moment.js',
'app/bower_components/underscore/underscore.js',
'app/bower_components/angular-mocks/angular-mocks.js',
'app/bower_components/angular-resource/angular-resource.js',
'app/bower_components/angular-route/angular-route.js',
'app/bower_components/angular-sanitize/angular-sanitize.js',
'app/bower_components/ngInfiniteScroll/ng-infinite-scroll.js',
'app/bower_components/parametrizedLocation/dist/parametrizedLocation.js',
'app/bower_components/angular-cookies/angular-cookies.js',
'app/bower_components/angular-translate/angular-translate.js',
'app/bower_components/angular-translate-loader-static-files/angular-translate-loader-static-files.js',
'app/bower_components/angular-translate-storage-cookie/angular-translate-storage-cookie.js',
'app/bower_components/angular-translate-storage-local/angular-translate-storage-local.js',
'app/scripts/*.js',
'app/scripts/**/*.js',
'test/mock/**/*.js',
'test/spec/**/*.js'
],