Final fixes on ACO (#1339)

* Ant Colony Optimization

* Updated code for Ant Colony

algorithms/src/test/java/algorithms/AntColonyOptimizationTest.java

@@ -0,0 +1,22 @@
+package algorithms;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.baeldung.algorithms.ga.ant_colony.AntColonyOptimization;
+
+public class AntColonyOptimizationTest {
+
+	@Test
+	public void testGenerateRandomMatrix() {
+		AntColonyOptimization antTSP = new AntColonyOptimization(5);
+		Assert.assertNotNull(antTSP.generateRandomMatrix(5));
+	}
+
+	@Test
+	public void testStartAntOptimization() {
+		AntColonyOptimization antTSP = new AntColonyOptimization(5);
+		Assert.assertNotNull(antTSP.solve());
+	}
+
+}

algorithms/src/test/java/algorithms/BinaryGeneticAlgorithmUnitTest.java

@@ -0,0 +1,16 @@
+package algorithms;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.baeldung.algorithms.ga.binary.SimpleGeneticAlgorithm;
+
+public class BinaryGeneticAlgorithmUnitTest {
+
+	@Test
+	public void testGA() {
+		SimpleGeneticAlgorithm ga = new SimpleGeneticAlgorithm();
+		Assert.assertTrue(ga.runAlgorithm(50, "1011000100000100010000100000100111001000000100000100000000001111"));
+	}
+
+}

algorithms/src/test/java/algorithms/DijkstraAlgorithmTest.java

@@ -1,10 +1,11 @@
 package algorithms;
 
-import com.baeldung.algorithms.dijkstra.Dijkstra;
-import com.baeldung.algorithms.dijkstra.Graph;
-import com.baeldung.algorithms.dijkstra.Node;
 import org.junit.Test;
 
+import com.baeldung.algorithms.ga.dijkstra.Dijkstra;
+import com.baeldung.algorithms.ga.dijkstra.Graph;
+import com.baeldung.algorithms.ga.dijkstra.Node;
+
 import java.util.Arrays;
 import java.util.List;
 

algorithms/src/test/java/algorithms/SimulatedAnnealingTest.java

@@ -0,0 +1,15 @@
+package algorithms;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.baeldung.algorithms.ga.annealing.SimulatedAnnealing;
+
+public class SimulatedAnnealingTest {
+
+    @Test
+    public void testSimulateAnnealing() {
+        Assert.assertTrue(SimulatedAnnealing.simulateAnnealing(10, 1000, 0.9) > 0);
+    }
+
+}