public function testGetUsersNoRolesAndJsonFalse()
 {
     $roleId = 1;
     $roles = [];
     /** @var \Magento\Authorization\Model\Role|\PHPUnit_Framework_MockObject_MockObject */
     $roleModelMock = $this->getMockBuilder('Magento\\Authorization\\Model\\Role')->disableOriginalConstructor()->setMethods([])->getMock();
     $this->requestInterfaceMock->expects($this->at(0))->method('getParam')->willReturn("");
     $this->requestInterfaceMock->expects($this->at(1))->method('getParam')->willReturn($roleId);
     $this->requestInterfaceMock->expects($this->at(2))->method('getParam')->willReturn($roleId);
     $this->roleFactoryMock->expects($this->once())->method('create')->willReturn($roleModelMock);
     $roleModelMock->expects($this->once())->method('setId')->willReturnSelf();
     $roleModelMock->expects($this->once())->method('getRoleUsers')->willReturn($roles);
     $this->assertEquals($roles, $this->model->getUsers());
 }