@Test public void testIsNotGzipCompressedHttpBadRequestStatus() throws Exception { GzipTester tester = new GzipTester(testingdir, compressionType); // Test error code 400 FilterHolder holder = tester.setContentServlet(HttpErrorServlet.class); holder.setInitParameter("mimeTypes", "text/plain"); try { tester.start(); tester.assertIsResponseNotGzipCompressedAndEqualToExpectedString("error message", -1, 400); } finally { tester.stop(); } }