KoanResultBuilder builder = new KoanResultBuilder()
.remainingCases(Arrays.asList(OneFailingKoan.class.getSimpleName()))
.methodResult(new KoanMethodResult(KoanMethod.getInstance("", OneFailingKoan.class.getDeclaredMethods()[0]), "msg", "2"))
.level("1")
.numberPassing(3);
KoanSuiteResult result = builder.build();
String string = result.toString();
assertTrue(string.contains("1"));
assertTrue(string.contains("2"));
assertTrue(string.contains("3"));
assertTrue(string.contains(OneFailingKoan.class.getSimpleName()));