Adds fix for issue affecting update with CLP (#5269)

* Adds fix for issue affecting update with CLP

* Disable single instance

spec/ParseUser.spec.js

@@ -834,7 +834,6 @@ describe('Parse.User testing', () => {
       query.get(user.id).then(freshUser => {
         equal(freshUser.id, user.id);
         equal(freshUser.get('username'), 'alice');
-        Parse.Object.enableSingleInstance();
         done();
       });
     });
@@ -860,7 +859,6 @@ describe('Parse.User testing', () => {
         equal(freshUser.id, user.id);
         // Should be alice, but it depends on batch support.
         equal(freshUser.get('username'), 'bob');
-        Parse.Object.enableSingleInstance();
         done();
       });
     });
@@ -1275,14 +1273,12 @@ describe('Parse.User testing', () => {
   });
 
   it('returns authData when authed and logged in with provider (regression test for #1498)', async done => {
-    Parse.Object.enableSingleInstance();
     const provider = getMockFacebookProvider();
     Parse.User._registerAuthenticationProvider(provider);
     const user = await Parse.User._logInWith('facebook');
     const userQuery = new Parse.Query(Parse.User);
     userQuery.get(user.id).then(user => {
       expect(user.get('authData')).not.toBeUndefined();
-      Parse.Object.disableSingleInstance();
       done();
     });
   });

spec/Schema.spec.js

@@ -1066,7 +1066,6 @@ describe('SchemaController', () => {
           .then(obj2reloaded => {
             expect(obj2reloaded.get('aString')).toEqual(undefined);
             done();
-            Parse.Object.enableSingleInstance();
           });
       })
       .catch(error => {
@@ -1100,7 +1099,6 @@ describe('SchemaController', () => {
       .then(obj1 => {
         expect(obj1.get('aPointer')).toEqual('Now a string');
         done();
-        Parse.Object.enableSingleInstance();
       });
   });
 

spec/schemas.spec.js

@@ -2043,6 +2043,23 @@ describe('schemas', () => {
       .catch(done.fail);
   });
 
+  it('regression test for #5177', async () => {
+    Parse.Object.disableSingleInstance();
+    Parse.Cloud.beforeSave('AClass', () => {});
+    await setPermissionsOnClass(
+      'AClass',
+      {
+        update: { '*': true },
+      },
+      false
+    );
+    const obj = new Parse.Object('AClass');
+    await obj.save({ key: 1 }, { useMasterKey: true });
+    obj.increment('key', 10);
+    const objectAgain = await obj.save();
+    expect(objectAgain.get('key')).toBe(11);
+  });
+
   it('regression test for #2246', done => {
     const profile = new Parse.Object('UserProfile');
     const user = new Parse.User();