Colors\Color::setForceStyle PHP Method

    public function setForceStyle($force)
    {
        $this->isStyleForced = (bool) $force;
    }

 public function testExerciseRendererSetsCurrentExerciseAndRendersExercise()
 {
     $menu = $this->getMockBuilder(CliMenu::class)->disableOriginalConstructor()->getMock();
     $item = $this->getMock(MenuItemInterface::class);
     $item->expects($this->any())->method('getText')->will($this->returnValue('Exercise 2'));
     $menu->expects($this->once())->method('getSelectedItem')->will($this->returnValue($item));
     $menu->expects($this->once())->method('close');
     $exercise1 = $this->getMock(ExerciseInterface::class);
     $exercise2 = $this->getMock(ExerciseInterface::class);
     $exercises = [$exercise1, $exercise2];
     $exerciseRepository = $this->getMockBuilder(ExerciseRepository::class)->disableOriginalConstructor()->getMock();
     $userState = $this->getMock(UserState::class);
     $userStateSerializer = $this->getMockBuilder(UserStateSerializer::class)->disableOriginalConstructor()->getMock();
     $exerciseRepository->expects($this->once())->method('findByName')->with('Exercise 2')->will($this->returnValue($exercise2));
     $exerciseRepository->expects($this->once())->method('findAll')->will($this->returnValue($exercises));
     $userState->expects($this->once())->method('setCurrentExercise')->with('Exercise 2');
     $userStateSerializer->expects($this->once())->method('serialize')->with($userState);
     $problemFile = sprintf('%s/%s/problem.md', sys_get_temp_dir(), $this->getName());
     $exercise2->expects($this->once())->method('getProblem')->will($this->returnValue($problemFile));
     if (!is_dir(dirname($problemFile))) {
         mkdir(dirname($problemFile), 0775, true);
     }
     file_put_contents($problemFile, '### Exercise Content');
     $markdownRenderer = new MarkdownRenderer(new DocParser(Environment::createCommonMarkEnvironment()), (new CliRendererFactory())->__invoke());
     $color = new Color();
     $color->setForceStyle(true);
     $exerciseRenderer = new ExerciseRenderer('phpschool', $exerciseRepository, $userState, $userStateSerializer, $markdownRenderer, $color, new StdOutput($color, $this->getMock(TerminalInterface::class)));
     $this->expectOutputString(file_get_contents(__DIR__ . '/res/exercise-help-expected.txt'));
     $exerciseRenderer->__invoke($menu);
     unlink($problemFile);
 }