statuses_controller_test.rb will not sign_in

# Running tests:

[3/9] StatusesControllerTest#test_should_create_status_when_logged_in = 0.07 s            
  1) Failure:
test_should_create_status_when_logged_in(StatusesControllerTest)
[test/functional/statuses_controller_test.rb:35]:
"Status.count" didn't change by 1.
<3> expected but was
<2>.

Finished tests in 0.216054s, 41.6563 tests/s, 60.1701 assertions/s.                         
9 tests, 13 assertions, 1 failures, 0 errors, 0 skips

ruby -v: ruby 2.0.0p195 (2013-05-14 revision 40734) [x86_64-darwin12.3.0]

test "should create status when logged in" do
  sign_in users(:steve)

  assert_difference('Status.count') do          ***[ Error on line 35 ]***
    post :create, status: { content: 'This is a test status.'}
  end

  assert_redirected_to status_path(assigns(:status))
end

steve:
    first_name: Steve
    last_name: Monsen
    email: stevem@treehouse.com
    profile_name: stevem

# POST /statuses
# POST /statuses.json
def create
  @status = Status.new(params[:status])

  respond_to do |format|
    if @status.save
      format.html { redirect_to @status, notice: 'Status was successfully created.' }
      format.json { render json: @status, status: :created, location: @status }
    else
      format.html { render action: "new" }
      format.json { render json: @status.errors, status: :unprocessable_entity }
    end
  end
end