@Override
    public TableEntryByTypeTransformer tableEntryByTypeTransformer() {
        return transformer;
    }
@Test
    void transforms_empties_with_correct_method() throws Throwable {
        Map<String, String> fromValue = singletonMap("key", "[empty]");
        Method method = JavaDefaultDataTableEntryTransformerDefinitionTest.class.getMethod("correct_method", Map.class,
            Type.class);
        JavaDefaultDataTableEntryTransformerDefinition definition = new JavaDefaultDataTableEntryTransformerDefinition(
            method, lookup, false, new String[] { "[empty]" });

        assertThat(definition.tableEntryByTypeTransformer()
                .transform(fromValue, String.class, cellTransformer),
            is("key="));
    }