MutableHandlerRegistry extends HandlerRegistry { public boolean removeService(ServerServiceDefinition service) { return services.remove(service.getName(), service); }  @Nullable ServerServiceDefinition addService(ServerServiceDefinition service); boolean removeService(ServerServiceDefinition service); @Override @Nullable ServerMethodDefinition<?, ?> lookupMethod(String methodName, @Nullable String authority);  }
@Test public void removeMissingFails() { assertFalse(registry.removeService(basicServiceDefinition)); }