One more attempt

Author: davimacedo

package.json

@@ -95,10 +95,8 @@
     "lint": "flow && eslint --cache ./",
     "build": "babel src/ -d lib/ --copy-files",
     "watch": "babel --watch src/ -d lib/ --copy-files",
-    "pretest": "mongodb-runner start",
-    "test": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=4.0.4} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=mmapv1} TESTING=1 jasmine",
-    "posttest": "mongodb-runner stop",
-    "coverage": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=4.0.4} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=mmapv1} TESTING=1 nyc jasmine",
+    "test": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=4.0.4} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=mmapv1} TESTING=1 jasmine",
+    "coverage": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=4.0.4} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=mmapv1} TESTING=1 nyc jasmine",
     "start": "node ./bin/parse-server",
     "prepare": "npm run build",
     "postinstall": "node -p 'require(\"./postinstall.js\")()'"

spec/batch.spec.js

@@ -154,14 +154,16 @@ describe('batch', () => {
 
   if (
     (process.env.MONGODB_VERSION === '4.0.4' &&
-      process.env.MONGODB_TOPOLOGY === 'replicaset') ||
+      process.env.MONGODB_TOPOLOGY === 'replicaset' &&
+      process.env.MONGODB_STORAGE_ENGINE === 'wiredTiger') ||
     process.env.PARSE_SERVER_TEST_DB === 'postgres'
   ) {
     describe('transactions', () => {
       beforeAll(async () => {
         if (
           process.env.MONGODB_VERSION === '4.0.4' &&
-          process.env.MONGODB_TOPOLOGY === 'replicaset'
+          process.env.MONGODB_TOPOLOGY === 'replicaset' &&
+          process.env.MONGODB_STORAGE_ENGINE === 'wiredTiger'
         ) {
           await reconfigureServer({
             databaseAdapter: undefined,