PipelineFunctionUpper implements PipelineFunction { @Override public String getName() { return FUNCTION_NAME; }  @Override String getName(); @Override UpperFunctionSignature getSignature(); @Override PipelineElement apply(final PipelineElement value, final String paramsIncludingParentheses,
            final ExpressionResolver expressionResolver);  }
@Test public void getName() { assertThat(function.getName()).isEqualTo("upper"); }