@Test
public void getAllSchemaVersions() throws Exception {

  Map<Integer, SchemaVersion> schemas;
  schemas = client.getAllSchemaVersions("road1");
  assertTrue(schemas.isEmpty());
  road1.setSchemas(ImmutableMap.of(schemaVersion1.getVersion(), schemaVersion1));
  schemas = client.getAllSchemaVersions("road1");
  assertThat(schemas.size(), is(1));
  assertTrue(schemas.values().contains(schemaVersion1));
}