public void setVerifiableProperties(VerifiableProperties verifiableProperties) {
    this.verifiableProperties = verifiableProperties;
  }
Changes the {@link VerifiableProperties} instance with the router so that the behaviour can be changed on the fly.
@param verifiableProperties the{@link VerifiableProperties} that will dictate behaviour.
ambry-test-utils/src/main/java/com/github/ambry/router/InMemoryRouter.java