Add test descriptions

Author: Kay Hudson

src/test/java/StackTestCase.java

@@ -1,11 +1,13 @@
-import org.junit.Test;
-import static org.junit.Assert.*;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
 
 import com.galvanize.Stack;
 
 public class StackTestCase {
 
-    @Test
+    @Test()
+    @DisplayName("Stack.push() adds a new object")
     public void testStackPush() {
         Stack newStack = new Stack();
         assertEquals(0, newStack.count());
@@ -15,6 +17,7 @@ public void testStackPush() {
     }
 
     @Test
+    @DisplayName("Stack.pop() removes and returns last item added.")
     public void testStackPopRemovesAndReturnsLastItemIn() {
         Stack newStack = new Stack();
         newStack.push(1);
@@ -27,10 +30,11 @@ public void testStackPopRemovesAndReturnsLastItemIn() {
     }
 
     @Test
+    @DisplayName("Stack.peek() returns the last item added without removing it.")
     public void testStackPeek() {
         Stack newStack = new Stack();
-        newStack.push(1);
-        newStack.push(2);
-        assertEquals(2, newStack.peek());
+        newStack.push("sock");
+        newStack.push("shoe");
+        assertEquals("shoe", newStack.peek());
     }
 }