fix tests

Author: dplewis

spec/ParseUser.spec.js

@@ -246,6 +246,8 @@ describe('Parse.User testing', () => {
     await adapter.connect();
     await adapter.database.dropDatabase();
     delete adapter.connectionPromise;
+    const { database } = Config.get(Parse.applicationId);
+    database.schemaCache.clear();
 
     const user = new Parse.User();
     await user.signUp({

src/Routers/SchemasRouter.js

@@ -35,7 +35,7 @@ function getOneSchema(req) {
     });
 }
 
-function createSchema(req) {
+async function createSchema(req) {
   if (req.auth.isReadOnly) {
     throw new Parse.Error(
       Parse.Error.OPERATION_FORBIDDEN,
@@ -53,17 +53,15 @@ function createSchema(req) {
     throw new Parse.Error(135, `POST ${req.path} needs a class name.`);
   }
 
-  return req.config.database
-    .loadSchema({ clearCache: true })
-    .then(schema =>
-      schema.addClassIfNotExists(
-        className,
-        req.body.fields,
-        req.body.classLevelPermissions,
-        req.body.indexes
-      )
-    )
-    .then(schema => ({ response: schema }));
+  const schema = await req.config.database.loadSchema({ clearCache: true });
+  const parseSchema = await schema.addClassIfNotExists(
+    className,
+    req.body.fields,
+    req.body.classLevelPermissions,
+    req.body.indexes
+  );
+  await schema.reloadData({ clearCache: true });
+  return { response: parseSchema };
 }
 
 function modifySchema(req) {