@Test
public void registerSchema_many() throws Exception {

  client.registerSchema("road1", schema1);
  client.registerSchema("road1", schema2);
  client.registerSchema("road1", schema3);
  Map<Integer, SchemaVersion> schemas = store.get("road1").getSchemas();
  assertThat(schemas.size(), is(3));
  assertThat(schemas.get(1), is(schemaVersion1));
  assertThat(schemas.get(2), is(schemaVersion2));
  assertThat(schemas.get(3), is(schemaVersion3));
}