@Test
	public void testRandomness() throws Exception {
		// RandomUtils.useTestSeed(); allows you to create stable unit test
		// but in reality one should make a decision on several different test results in order to know the variance
		
		// check how with the default pearson similarity and the top 300 users as neighborhood
		// the results might change between different runs with the same configuration
		
		for (int i = 0; i < 10; i++) {
			Assert.fail();
		}
	}