add new branch for testing

src/main/java/com/techprimers/testing/FizzBuzz.java

@@ -5,10 +5,16 @@ public class FizzBuzz {
     public String play(int number) {
 
         if (number == 0) throw new IllegalArgumentException("Number must not be 0");
-        if (number % 3 == 0) return "Fizz";
-        if (number % 5 == 0) return "Buzz";
+
+        if (isMultipleOf(number, 3) && isMultipleOf(number, 5)) return "FizzBuzz";
+        if (isMultipleOf(number, 3)) return "Fizz";
+        if (isMultipleOf(number, 5)) return "Buzz";
 
 
         return String.valueOf(number);
     }
+
+    private boolean isMultipleOf(int number, int i) {
+        return number % i == 0;
+    }
 }