Add new file BubblesortTest

BubbleSortTest

+import static org.junit.Assert.assertArrayEquals;
+import org.junit.Test;
+
+public class BubbleSortTest{
+
+    @Test
+    public void testBubbleSortStudent1() {
+        int[] inputArray = {5, 90, 35, 150, 45, 3};
+        int[] expectedOutput = {3, 5, 35, 45, 90, 150};
+        BubbleSortStudent1.sort(inputArray);
+        assertArrayEquals(expectedOutput, inputArray);
+    }
+
+    @Test
+    public void testBubbleSortStudent2() {
+        int[] inputArray = {5, 90, 35, 150, 45, 3};
+        int[] expectedOutput = {3, 5, 35, 45, 90, 150};
+        BubbleSortStudent2.sort(inputArray);
+        assertArrayEquals(expectedOutput, inputArray);
+    }
+
+    @Test
+    public void testBubbleSortStudent3() {
+        int[] inputArray = {5, 90, 35, 150, 45, 3};
+        int[] expectedOutput = {3, 5, 35, 45, 90, 150};
+        BubbleSortStudent3.sort(inputArray);
+        assertArrayEquals(expectedOutput, inputArray);
+    }
+}