verifyToken(() -> asHtml(path_AdminPlugin_AdminPluginJsp));
        final Artifact artifact = new Artifact(form.name, form.version, null);
        deleteArtifact(artifact);
        saveInfo(messages -> messages.addSuccessDeletePlugin(GLOBAL, artifact.getFileName()));
        return redirect(getClass());
    }

    /**
     * Installs a plugin from either an uploaded JAR file or from the available artifacts.
     *

    }

    public void test_addSuccessDeletePlugin() {
        String property = "testProperty";
        String arg0 = "plugin-name";
        FessMessages result = messages.addSuccessDeletePlugin(property, arg0);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));
    }

    // Test null property handling