Results invalid session when providing an invalid session token (#2154)

* Results invalid session when providing an invalid session token

* Reverts unsafe loggers

* Fixes failing tests

- The tests were failin when run in sequence as we called done() before the JSSDK had a chance to register the session token, therefore having a proper logout call in afterEach

spec/helper.js

@@ -329,6 +329,14 @@ global.it_exclude_dbs = excluded => {
   }
 }
 
+global.fit_exclude_dbs = excluded => {
+  if (excluded.includes(process.env.PARSE_SERVER_TEST_DB)) {
+    return xit;
+  } else {
+    return fit;
+  }
+}
+
 // LiveQuery test setting
 require('../src/LiveQuery/PLog').logLevel = 'NONE';
 var libraryCache = {};