Create deleteGroup method in AbstractQueryGroupsTest

The default implementation won't work for some subclasses.

Release-Notes: skip
Bug: Google b/262373851
Change-Id: Ic021925ed70f05b3e34aa9b2891383db6c3f87c3

javatests/com/google/gerrit/server/query/group/AbstractQueryGroupsTest.java

diff --git a/javatests/com/google/gerrit/server/query/group/AbstractQueryGroupsTest.java b/javatests/com/google/gerrit/server/query/group/AbstractQueryGroupsTest.java
index 540416f..b263ab6 100644
--- a/javatests/com/google/gerrit/server/query/group/AbstractQueryGroupsTest.java
+++ b/javatests/com/google/gerrit/server/query/group/AbstractQueryGroupsTest.java
@@ -401,9 +401,8 @@
     String query = "uuid:" + uuid;
     assertQuery(query, group);
 
-    for (GroupIndex index : groupIndexes.getWriteIndexes()) {
-      index.delete(uuid);
-    }
+    deleteGroup(uuid);
+
     assertQuery(query);
   }
 
@@ -441,6 +440,12 @@
     return createGroupWithDescription(name, null, members);
   }
 
+  protected void deleteGroup(AccountGroup.UUID uuid) throws Exception {
+    for (GroupIndex index : groupIndexes.getWriteIndexes()) {
+      index.delete(uuid);
+    }
+  }
+
   protected GroupInfo createGroupWithDescription(
       String name, String description, AccountInfo... members) throws Exception {
     GroupInput in = new GroupInput();