Fix error in unit tests due to the change of Utils.normalizeWeight method

src/test/java/be/cylab/java/wowa/training/SolutionDistanceTest.java

@@ -27,7 +27,7 @@ class SolutionDistanceTest  {
         List<List<Double>> data = generateData(20, 5);
         List<Double> expected = generateExpected(20);
         solution.computeScoreTo(data, expected);
-        assertEquals(1.5925246410672433, solution.getFitnessScore());
+        assertEquals(1.5925246317727138, solution.getFitnessScore());
     }
 
     @Test

src/test/java/be/cylab/java/wowa/training/TrainerTest.java

@@ -33,7 +33,7 @@ class TrainerTest {
         List<Double> expected = generateExpected(100);
         List<AbstractSolution> computed_population = this.trainer.computeDistances(population, data, expected);
         AbstractSolution bestSolution = this.trainer.findBestSolution(computed_population);
-        assertEquals(3.0482902643223135, bestSolution.getFitnessScore());
+        assertEquals(3.0482902724650027, bestSolution.getFitnessScore());
     }
 
     @Test