@BeforeEach
    void setup() {
        this.manager = new TestCommandManager();
        this.annotationParser = new AnnotationParser<>(
                this.manager,
                TestCommandSender.class
        );
    }
Test for https://github.com/Incendo/cloud/issues/450.
cloud-annotations/src/test/java/org/incendo/cloud/annotations/issue/Issue450.java