Fix test that is failing the build (parse-community#5551)

Author: davimacedo

spec/schemas.spec.js

@@ -200,8 +200,12 @@ describe('schemas', () => {
       };
       expect(
         dd(
-          response.data.results.sort((s1, s2) => s1.className > s2.className),
-          expected.results.sort((s1, s2) => s1.className > s2.className)
+          response.data.results.sort((s1, s2) => {
+            return s1.className > s2.className ? 1 : -1;
+          }),
+          expected.results.sort((s1, s2) => {
+            return s1.className > s2.className ? 1 : -1;
+          })
         )
       ).toEqual(undefined);
       done();
@@ -235,10 +239,12 @@ describe('schemas', () => {
           };
           expect(
             dd(
-              response.data.results.sort(
-                (s1, s2) => s1.className > s2.className
-              ),
-              expected.results.sort((s1, s2) => s1.className > s2.className)
+              response.data.results.sort((s1, s2) => {
+                return s1.className > s2.className ? 1 : -1;
+              }),
+              expected.results.sort((s1, s2) => {
+                return s1.className > s2.className ? 1 : -1;
+              })
             )
           ).toEqual(undefined);
           done();