createMock(\Magento\Framework\View\Element\Template\Context::class); $this->_model = $this->getMockForAbstractClass( \Magento\OfflinePayments\Block\Form\AbstractInstruction::class, ['context' => $context] ); } public function testGetInstructions() { $method = $this->getMockBuilder(\Magento\Payment\Model\MethodInterface::class) ->getMockForAbstractClass(); $method->expects($this->once()) ->method('getConfigData') ->willReturn('instructions'); $this->_model->setData('method', $method); $this->assertEquals('instructions', $this->_model->getInstructions()); } }