@Test public void testPluginMergesFiles() { BasePlugin bp1 = createBasePlugin("/f1"); BasePlugin bp2 = createBasePlugin("/f2"); AggregateMimePlugin aggregateMimePlugin = new AggregateMimePlugin(bp1, bp2); String[] files = aggregateMimePlugin.files(); Arrays.sort(files); assertArrayEquals(new String[] {"/f1", "/f2"}, files); }