refactor 538 test

fishercoder1534 · fishercoder1534 · commit c5242b1fa4fe · 2021-02-09T08:02:57.000-08:00
diff --git a/src/test/java/com/fishercoder/_538Test.java b/src/test/java/com/fishercoder/_538Test.java
@@ -9,8 +9,8 @@
 import static junit.framework.Assert.assertEquals;
 
 public class _538Test {
-    private static _538.Solution2 solution2;
     private static _538.Solution1 solution1;
+    private static _538.Solution2 solution2;
     private static TreeNode expectedRoot;
     private static TreeNode root;
 
@@ -20,10 +20,6 @@ public static void setup() {
         solution2 = new _538.Solution2();
     }
 
-    @Before
-    public void setupForEachTest() {
-    }
-
     @Test
     public void test1() {
         root = new TreeNode(5);
@@ -32,15 +28,15 @@ public void test1() {
         expectedRoot = new TreeNode(18);
         expectedRoot.left = new TreeNode(20);
         expectedRoot.right = new TreeNode(13);
-        assertEquals(expectedRoot.toString(), solution2.convertBST(root).toString());
         assertEquals(expectedRoot.toString(), solution1.convertBST(root).toString());
+        assertEquals(expectedRoot.toString(), solution2.convertBST(root).toString());
     }
 
     @Test
     public void test2() {
         root = null;
         expectedRoot = null;
-        assertEquals(expectedRoot, solution2.convertBST(root));
         assertEquals(expectedRoot, solution1.convertBST(root));
+        assertEquals(expectedRoot, solution2.convertBST(root));
     }
 }
