@Test void toStringContainsOnlySummaryInformation() {
    try (CassandraStorage cassandra =
           CassandraStorage.newBuilder().contactPoints("1.1.1.1").build()) {

      assertThat(cassandra)
        .hasToString("CassandraStorage{contactPoints=1.1.1.1, keyspace=zipkin2}");
    }
  }
The {@code toString()} of {@link Component} implementations appear in health check endpoints.
Since these are likely to be exposed in logs and other monitoring tools, care should be taken
to ensure {@code toString()} output is a reasonable length and does not contain sensitive
information.
zipkin-storage/cassandra/src/test/java/zipkin2/storage/cassandra/CassandraStorageTest.java