HIVE-29393: Added a null check for Catalog in tearDownAll method

Author: sayalimohite55

standalone-metastore/metastore-rest-catalog/src/test/java/org/apache/iceberg/rest/BaseRESTViewCatalogTests.java

@@ -48,7 +48,9 @@ void setup() {
 
   @AfterAll
   void teardownAll() throws Exception {
-    catalog.close();
+    if (catalog != null) {
+      catalog.close();
+    }
   }
 
   @Override

standalone-metastore/metastore-rest-catalog/src/test/java/org/apache/iceberg/rest/TestRESTViewCatalogSimpleAuth.java

@@ -35,8 +35,8 @@ class TestRESTViewCatalogSimpleAuth extends BaseRESTViewCatalogTests {
   @Override
   protected Map<String, String> getDefaultClientConfiguration() {
     return Map.of(
-        "uri", REST_CATALOG_EXTENSION.getRestEndpoint(),
-        "header.x-actor-username", "USER_1"
+      "uri", REST_CATALOG_EXTENSION.getRestEndpoint(),
+      "header.x-actor-username", "USER_1"
     );
   }
 }