interface Test { public abstract int countTestCases(); public abstract void run(TestResult); } junit/framework/Assert.class package junit.framework; public synchronized class Assert { protected void Assert(); public static void assertTrue(String, boolean); public static void assertTrue(boolean); public static void assertFalse(String, boolean); public static void assertFalse(boolean); public static void fail(String); public static void fail(); public static void assertEquals(String, Object, Object); public...