@Override
    public ResultSet getAttributes(final String catalog, final String schemaPattern, final String typeNamePattern, final String attributeNamePattern) throws SQLException {
        return createDatabaseMetaDataResultSet(getDatabaseMetaData().getAttributes(getActualCatalog(catalog), getActualSchema(schemaPattern), typeNamePattern, attributeNamePattern));
    }
@Test
    void assertGetAttributes() throws SQLException {
        when(databaseMetaData.getAttributes("test", null, null, null)).thenReturn(resultSet);
        assertThat(shardingSphereDatabaseMetaData.getAttributes("test", null, null, null), instanceOf(DatabaseMetaDataResultSet.class));
    }