更改jhipster中的默认语言

我使用JHipster 2.27.0

我weapp/scripts/app.js通过更改首选语言行来在文件中设置语言，例如，$translateProvider.preferredLanguage('fr');将语言更改为法语。

此解决方案可以在运行中正常运行，我可以进行任何javascript测试（dev）正常，但是我可以进行任何javascript测试（prod）正常。

PhantomJS 1.9.8 (Windows 7 0.0.0) Controller Tests ActivationController calls Auth.activateAccount with the key from stateParams FAILED
    Error: Plural Function not found for locale: fr
        at MessageFormat (G:/workspace/myapp270/src/main/webapp/bower_components/messageformat/messageformat.js:9)
        at G:/workspace/myapp270/src/main/webapp/bower_components/angular-translate-interpolation-messageformat/angular-translate-interpolation-messageformat.js:9
        at interpolationFactoryAdder (G:/workspace/myapp270/src/main/webapp/bower_components/angular-translate/angular-translate.js:9)
        at forEach (G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9)
        at G:/workspace/myapp270/src/main/webapp/bower_components/angular-translate/angular-translate.js:9
        at invoke (G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9)
        at G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9
        at getService (G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9)
        at invoke (G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9)
        at G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9
        at forEach (G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9)
        at createInjector (G:/workspace/myapp270/src/main/webapp/bower_components/angular/angular.js:9)
        at workFn (G:/workspace/myapp270/src/main/webapp/bower_components/angular-mocks/angular-mocks.js:9)
        at G:/workspace/myapp270/src/main/webapp/bower_components/angular-mocks/angular-mocks.js:9
        at mockApiAccountCall (G:/workspace/myapp270/src/test/javascript/spec/helpers/httpBackend.js:9)

您知道在测试中在哪里设置默认语言吗？