Fix up tests.

src/EditorFeatures/CSharpTest/CodeActions/GenerateFromMembers/GenerateConstructorFromMembers/GenerateConstructorFromMembersTests.cs

@@ -112,14 +112,14 @@ class Z
     int a;
     string b;
 
-    public Z(string b)
+    public Z(int a)
     {
-        this.b = b;
+        this.a = a;
     }
 
-    public Z(int a)
+    public Z(string b)
     {
-        this.a = a;
+        this.b = b;
     }
 }",
 index: 0);