Rename hypervisor-get to hypervisor-statistic-get

Author: haphan

tests/unit/Compute/v2/Fixtures/hypervisor-get.resp renamed to tests/unit/Compute/v2/Fixtures/hypervisor-statistic-get.resp

@@ -134,7 +134,7 @@ public function test_it_gets_hypervisor_statistics()
         $this->client
             ->request('GET', 'os-hypervisors/statistics', ['headers' => []])
             ->shouldBeCalled()
-            ->willReturn($this->getFixture('hypervisor-get'));
+            ->willReturn($this->getFixture('hypervisor-statistic-get'));
 
         $hypervisorStats = $this->service->getHypervisorStatistics();