Mock with contruct

 class ExampleTest extends TestCase
            {
protected $mockClass;
                public function __construct()
                {
                    $this->mockClass = $this->createMock(SomeClass::class);
                }

                public function exampleTest()
                {
                    $this->mockClass->method('doSomething')->willReturn('bar');

                    $this->assertEquals('bar', $this->mockClass->someMethod());
                }
            }