Restore IT test for server-legacy and fix many errors (#279)

vharseko

12.41.2023 0de6858e9548e84aebc148747be92a811ba33636

 opendj-server-legacy/src/test/java/org/opends/server/extensions/CommonEntryCache.java

File was renamed from opendj-server-legacy/src/test/java/org/opends/server/extensions/CommonEntryCacheTestCase.java
@@ -32,7 +32,7 @@
 * A common set of test cases for all entry cache implementations.
 * @param <C> The type of entry cache configuration.
 */
public abstract class CommonEntryCacheTestCase<C extends EntryCacheCfg>
public abstract class CommonEntryCache<C extends EntryCacheCfg>
       extends ExtensionsTestCase
{
  /**