Add unit tests for listHostsForMigration

Author: vishesh92

server/src/main/java/com/cloud/server/ManagementServerImpl.java

@@ -1923,7 +1923,7 @@ private List<StoragePool> findAllSuitableStoragePoolsForDetachedVolume(Volume vo
         return suitablePools;
     }
 
-    private Pair<List<HostVO>, Integer> searchForServers(final Long startIndex, final Long pageSize, final Object name, final Object type,
+    Pair<List<HostVO>, Integer> searchForServers(final Long startIndex, final Long pageSize, final Object name, final Object type,
         final Object state, final Object zone, final Object pod, final Object cluster, final Object id, final Object keyword,
         final Object resourceState, final Object haHosts, final Object hypervisorType, final Object hypervisorVersion, final Object... excludes) {
         final Filter searchFilter = new Filter(HostVO.class, "id", Boolean.TRUE, startIndex, pageSize);