@Test
public void testWilcoxonSignedRankSumTest() {

	assertFalse("Wilcoxon Signed Rank Test detects different distributions which is not the case.", StatisticsUtil.wilcoxonSignedRankSumTestTwoSided(posSampleA, posSampleB));
	assertTrue("Wilcoxon Signed Rank Test did not detect different distributions although they are.", StatisticsUtil.wilcoxonSignedRankSumTestTwoSided(negSampleA, negSampleB));
}