grunt test:client fails after generating a directive

[remicastaing]

I'm generating a new angular fullstack with following settings (I used the mail-support branch):

# Client

? What would you like to write scripts with? JavaScript
? What would you like to write markup with? HTML
? What would you like to write stylesheets with? Sass
? What Angular router would you like to use? uiRouter
? Would you like to include Bootstrap? Yes
? Would you like to include UI Bootstrap? Yes

# Server

? Would you like to scaffold out a mailer boilerplate? Yes
? Nodemailer comes with smtp and direct transports built-in. Would you like to include additional transports? 
? What would you like to use for data modeling? Mongoose (MongoDB)
? Would you scaffold out an authentication boilerplate? Yes
? Would you like to include additional oAuth strategies? Facebook
? Would you like to use socket.io? No

# Project

? What would you like to write tests with? Mocha + Chai + Sinon
? What would you like to write Chai assertions with? Should

I'm creating a directive:

yo angular-fullstack:directive test
? Where would you like to create this directive? client/app/
? Does this directive need an external html file? Yes
   create client/app/test/test.directive.js
   create client/app/test/test.directive.spec.js
   create client/app/test/test.html
   create client/app/test/test.scss

I'm getting this error after running grunt test:client:

Directive: test
    ✗ should make hidden element visible
    Error: Unexpected request: GET app/main/main.html
    No more request expected
        at $httpBackend (/Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular-mocks/angular-mocks.js:1181)
        at sendReq (/Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:8427)
        at /Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:8146
        at /Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:11682
        at /Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:11768
        at /Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:12811
        at /Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:12623
        at /Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:12915
        at /Users/remi/Workspaces/JS/test_mail_support/client/app/test/test.directive.spec.js:18
        at invoke (/Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular/angular.js:3965)
        at workFn (/Users/remi/Workspaces/JS/test_mail_support/client/bower_components/angular-mocks/angular-mocks.js:2177)
    undefined