### Question:
TSModuleHandler { String asString(AnnotationValue value) { return (value.getValue() instanceof String) ? (String) value.getValue() : "" ; } TSModuleHandler(ProcessingEnvironment processingEnv); Set<TSModuleInfo> process(Set<? extends Element> annotatedElements);  }### Answer:
@Test void test_asString() { assertEquals("",testee.asString(annotationValue)); when(this.annotationValue.getValue()).thenReturn(""); assertEquals("",testee.asString(annotationValue)); }