ShowMissingDiskStoresFunction implements InternalFunction<Void> { @Override public String getId() { return getClass().getName(); }  @Override void execute(FunctionContext<Void> context); @Override String getId();  }
@Test public void getId_returnsFullyQualifiedClassName() { assertThat(showMissingDiskStoresFunction.getId()) .as("function id") .isEqualTo(ShowMissingDiskStoresFunction.class.getName()); }