test: fix failing tests after removal of session token (parse-community#7599)

Author: dblythy

spec/ParseLiveQuery.spec.js

@@ -861,7 +861,7 @@ describe('ParseLiveQuery', function () {
     const response = (obj, prev) => {
       expect(obj.get('sessionToken')).toBeUndefined();
       expect(obj.sessionToken).toBeUndefined();
-      expect(prev?.sessionToken).toBeUndefined();
+      expect(prev && prev.sessionToken).toBeUndefined();
       if (prev && prev.get) {
         expect(prev.get('sessionToken')).toBeUndefined();
       }

spec/ParseUser.spec.js

@@ -3986,7 +3986,7 @@ describe('Parse.User testing', () => {
     const response = (obj, prev) => {
       expect(obj.get('authData')).toBeUndefined();
       expect(obj.authData).toBeUndefined();
-      expect(prev?.authData).toBeUndefined();
+      expect(prev && prev.authData).toBeUndefined();
       if (prev && prev.get) {
         expect(prev.get('authData')).toBeUndefined();
       }
@@ -4010,6 +4010,9 @@ describe('Parse.User testing', () => {
     for (const key of events) {
       expect(calls[key]).toHaveBeenCalled();
     }
+    const client = await Parse.CoreManager.getLiveQueryController().getDefaultLiveQueryClient();
+    client.close();
+    await new Promise(resolve => process.nextTick(resolve));
   });
 });