refactor: static usage of junit extension

Signed-off-by: Attila Mészáros <a_meszaros@apple.com>

Author: csviri

operator-framework/src/test/java/io/javaoperatorsdk/operator/CRDMappingInTestExtensionIT.java

@@ -25,7 +25,7 @@ public class CRDMappingInTestExtensionIT {
   private final KubernetesClient client = new KubernetesClientBuilder().build();
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder()
           .withReconciler(new TestReconciler())
           .withAdditionalCRD("src/test/resources/crd/test.crd", "src/test/crd/test.crd")

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/ConcurrencyIT.java

@@ -26,7 +26,7 @@ class ConcurrencyIT {
   private static final Logger log = LoggerFactory.getLogger(ConcurrencyIT.class);
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder().withReconciler(new TestReconciler(true)).build();
 
   @Test

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/builtinresourcecleaner/BuiltInResourceCleanerIT.java

@@ -20,7 +20,7 @@ class BuiltInResourceCleanerIT {
   private static final Logger log = LoggerFactory.getLogger(BuiltInResourceCleanerIT.class);
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder()
           .withReconciler(new BuiltInResourceCleanerReconciler())
           .build();

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/changenamespace/ChangeNamespaceIT.java

@@ -29,7 +29,7 @@ class ChangeNamespaceIT {
   public static final String ADDITIONAL_TEST_NAMESPACE = "additional-test-namespace";
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder()
           .withReconciler(new ChangeNamespaceTestReconciler())
           .build();

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/cleanerforreconciler/CleanerForReconcilerIT.java

@@ -14,7 +14,7 @@ class CleanerForReconcilerIT {
   public static final String TEST_RESOURCE_NAME = "cleaner-for-reconciler-test1";
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder()
           .withReconciler(new CleanerForReconcilerTestReconciler())
           .build();

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/cleanupconflict/CleanupConflictIT.java

@@ -18,7 +18,7 @@ class CleanupConflictIT {
   public static final String TEST_RESOURCE_NAME = "test1";
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder().withReconciler(new CleanupConflictReconciler()).build();
 
   @Test

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/clusterscopedresource/ClusterScopedResourceIT.java

@@ -20,7 +20,7 @@ class ClusterScopedResourceIT {
   public static final String UPDATED_DATA = "updatedData";
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder()
           .withReconciler(new ClusterScopedCustomResourceReconciler())
           .build();

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/concurrentfinalizerremoval/ConcurrentFinalizerRemovalIT.java

@@ -18,7 +18,7 @@ class ConcurrentFinalizerRemovalIT {
   public static final String TEST_RESOURCE_NAME = "test";
 
   @RegisterExtension
-  LocallyRunOperatorExtension extension =
+  static LocallyRunOperatorExtension extension =
       LocallyRunOperatorExtension.builder()
           // should work without a retry, thus not retry the whole reconciliation but to retry
           // finalizer removal only.

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/createupdateeventfilter/CreateUpdateInformerEventSourceEventFilterIT.java

@@ -16,7 +16,7 @@
 class CreateUpdateInformerEventSourceEventFilterIT {
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder()
           .withReconciler(new CreateUpdateEventFilterTestReconciler())
           .build();

operator-framework/src/test/java/io/javaoperatorsdk/operator/baseapi/createupdateeventfilter/PreviousAnnotationDisabledIT.java

@@ -8,7 +8,7 @@
 class PreviousAnnotationDisabledIT {
 
   @RegisterExtension
-  LocallyRunOperatorExtension operator =
+  static LocallyRunOperatorExtension operator =
       LocallyRunOperatorExtension.builder()
           .withReconciler(new CreateUpdateEventFilterTestReconciler())
           .withConfigurationService(