remove unecessary variable usage in unit tests

Author: bernardodemarco

plugins/integrations/kubernetes-service/src/test/java/com/cloud/kubernetes/cluster/actionworkers/KubernetesClusterResourceModifierActionWorkerTest.java

@@ -113,8 +113,7 @@ public void getKubernetesClusterNodeNamePrefixTestNormalizedPrefixShouldOnlyIncl
         String expectedPrefix = "k8s-cluster-01";
 
         Mockito.when(kubernetesClusterMock.getName()).thenReturn(originalPrefix);
-        String normalizedPrefix = kubernetesClusterResourceModifierActionWorker.getKubernetesClusterNodeNamePrefix();
-        Assert.assertEquals(expectedPrefix, normalizedPrefix);
+        Assert.assertEquals(expectedPrefix, kubernetesClusterResourceModifierActionWorker.getKubernetesClusterNodeNamePrefix());
     }
 
     @Test
@@ -125,8 +124,7 @@ public void getKubernetesClusterNodeNamePrefixTestNormalizedPrefixShouldContainC
 
         Mockito.when(kubernetesClusterMock.getUuid()).thenReturn(clusterUuid);
         Mockito.when(kubernetesClusterMock.getName()).thenReturn(originalPrefix);
-        String normalizedPrefix = kubernetesClusterResourceModifierActionWorker.getKubernetesClusterNodeNamePrefix();
-        Assert.assertEquals(expectedPrefix, normalizedPrefix);
+        Assert.assertEquals(expectedPrefix, kubernetesClusterResourceModifierActionWorker.getKubernetesClusterNodeNamePrefix());
     }
 
     @Test