@Test(dependsOnMethods = "testCreate")
public void testConnectorHasDataSources() {

    metadata.read(() -> {
        Optional<Connector> conn = this.connProvider.find(this.connId);
        
        assertThat(conn).isNotNull().isPresent();
        
        List<? extends DataSource> dsList = conn.get().getDataSources();
        
        assertThat(dsList).hasSize(COUNT);
    }, MetadataAccess.SERVICE);
}