added tests & methods to be implemented

src/main/java/io/zipcoder/microlabs/mastering_loops/NumberUtilities.java

         return null;
     }
 
+    public static String getRange(int start) {
+        return null;
+    }
+
+    public static String getRange(int start, int stop) {
+        return null;
+    }
+
 
     public static String getRange(int start, int stop, int step) {
         return null;

src/test/java/io/zipcoder/microlabs/mastering_loops/NumberUtilitiesTest.java

 
 public class NumberUtilitiesTest {
     @Test
-    public void testGetRange1() {
+    public void testGetRange1A() {
+        // : Given
+        String expected = "0123456789";
+        int stop = 11;
+
+        // : When
+        String actual = NumberUtilities.getRange(stop);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testGetRange2A() {
+        // : Given
+        String expected = "01234";
+        int stop = 5;
+
+        // : When
+        String actual = NumberUtilities.getRange(stop);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testGetRange3A() {
+        // : Given
+        String expected = "012345678910111213141516171819";
+        int stop = 20;
+
+        // : When
+        String actual = NumberUtilities.getRange(stop);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+
+
+
+
+
+
+
+    @Test
+    public void testGetRange1B() {
+        // : Given
+        String expected = "5678910111213141516171819";
+        int start = 5;
+        int stop = 20;
+
+        // : When
+        String actual = NumberUtilities.getRange(start, stop);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+
+    @Test
+    public void testGetRange2B() {
+        // : Given
+        String expected = "101112131415161718192021222324";
+        int start = 10;
+        int stop = 25;
+
+        // : When
+        String actual = NumberUtilities.getRange(start, stop);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+
+    @Test
+    public void testGetRange3B() {
+        // : Given
+        String expected = "100101103104105106107108109";
+        int start = 100;
+        int stop = 110;
+
+        // : When
+        String actual = NumberUtilities.getRange(start, stop);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+
+
+
+
+
+
+
+
+    @Test
+    public void testGetRange1C() {
         // : Given
         String expected = "51015";
         int start = 5;
 
 
     @Test
-    public void testGetRange2() {
+    public void testGetRange2C() {
         // : Given
         String expected = "012345678910111213141516171819";
         int start = 0;
     }
 
 
+    @Test
+    public void testGetRange3C() {
+        // : Given
+        String expected = "0246810";
+        int start = 0;
+        int stop = 11;
+        int step = 2;
+
+        // : When
+        String actual = NumberUtilities.getRange(start, stop, step);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+