public function testSubmitValidData() { $formData = ['bank' => 'test-bank']; $this->mollieDriver->expects($this->once())->method('getBanks')->willReturn([$this->bank]); $form = $this->factory->create(IDealType::class); $form->submit($formData); $this->assertTrue($form->isSynchronized()); $this->assertEquals([], $form->getData()); $view = $form->createView(); $children = $view->children; foreach (array_keys($formData) as $key) { $this->assertArrayHasKey($key, $children); } }