gistfile1.txt

    describe '#create' do
      it "should login with a valid login" do
        request_payload = {
          email: @user_attrs[:email],
          password: @user_attrs[:password]
        }
        @request.env["HTTP_ACCEPT"] = "application/json"
        @request.env["CONTENT_TYPE"] = "application/json"
        post :create, request_payload, :format => :json
      end
    end

Failure/Error: post :create, request_payload, :format => :json
     AbstractController::ActionNotFound:
       Could not find devise mapping for path "/api/users/sign_in?email=test%40test.com&password=test".