Bugfixing test error in testSampleStream()

Author: marco-brandizi

src/test/java/uk/ac/ebi/utils/streams/StreamUtilsTest.java

@@ -159,6 +159,6 @@ public void testSampleStream ()
 		})
 		.count ();
 
-		assertEquals ( "The sample size is unexpected", testSampleSize, size, 0.025 * testSize );
+		assertEquals ( "The sample size is unexpected", testSampleSize, size, (3d/100) * testSampleSize );
 	}
 }