/**
  * Run test cancel method
  */
 public function testCancel()
 {
     $id = 10;
     $creditmemoMock = $this->getMock('Magento\\Sales\\Model\\Order\\Creditmemo', ['cancel'], [], '', false);
     $this->creditmemoRepositoryMock->expects($this->once())->method('get')->with($id)->will($this->returnValue($creditmemoMock));
     $creditmemoMock->expects($this->once())->method('cancel')->will($this->returnValue(true));
     $this->assertTrue($this->creditmemoService->cancel($id));
 }
 /**
  * Run test cancel method
  * @expectedExceptionMessage You can not cancel Credit Memo
  * @expectedException \Magento\Framework\Exception\LocalizedException
  */
 public function testCancel()
 {
     $this->assertTrue($this->creditmemoService->cancel(1));
 }