Allow single server instance in test suite (#7262)

* initial pass

* reconfigureServer when needed

* finish postgres tests

* mongo tests

* more tests

* clean up

* re-add skipped test

* Fix transaction tests

* handle batch

* AuthenticationAdapter fix

* More reconfiguration

* clean up

* properly terminate cli servers

* handle Parse.Push

* Flaky PushController

* ensure reconfigureServer when changed

* fix postgres tests

* remove console.log

* LiveQuery spec remove duplicates and listeners

spec/PostgresInitOptions.spec.js

@@ -50,9 +50,10 @@ function createParseServer(options) {
 describe_only_db('postgres')('Postgres database init options', () => {
   let server;
 
-  afterEach(() => {
+  afterAll(done => {
     if (server) {
-      server.close();
+      Parse.serverURL = 'http://localhost:8378/1';
+      server.close(done);
     }
   });
 
@@ -73,7 +74,10 @@ describe_only_db('postgres')('Postgres database init options', () => {
         });
         return score.save();
       })
-      .then(done, done.fail);
+      .then(async () => {
+        await reconfigureServer();
+        done();
+      }, done.fail);
   });
 
   it('should fail to create server if schema databaseOptions does not exist', done => {
@@ -83,6 +87,9 @@ describe_only_db('postgres')('Postgres database init options', () => {
       databaseOptions: databaseOptions2,
     });
 
-    createParseServer({ databaseAdapter: adapter }).then(done.fail, () => done());
+    createParseServer({ databaseAdapter: adapter }).then(done.fail, async () => {
+      await reconfigureServer();
+      done();
+    });
   });
 });