public function testDeletePlanThrowsUnsupportedException()
 {
     $this->setExpectedException(PaystackUnsupportedOperationException::class);
     $mockPlanResource = \Mockery::mock($this->planResource)->makePartial();
     $mockPlanResource->shouldReceive('get')->withAnyArgs()->andReturn($this->planRetrievedResourceResponseData);
     $plan = new Plan($mockPlanResource);
     $plan->getPlan($this->planRetrievedResourceResponseData['plan_code'])->delete();
 }