code: @Override
      public void dropNamespace() {
          // Use a temporary, no-keyspace session
          try (DBConn dbConn = createAndConnectConn(null)) {
              synchronized (m_schemaLock) {
                  if (m_schemaMgr.keyspaceExists(dbConn, m_keyspace)) {
                      m_schemaMgr.dropKeyspace(dbConn, m_keyspace);
                  }
              }
          }
      }
docs: createTenant