stress-test: Improve Node Count verification for work better in clusters (#669) (#670)

Author: bigmontz

test/stress-test.js

@@ -449,7 +449,7 @@ function verifyNodeCount (context) {
 
   const session = context.driver.session()
   return session
-    .readTransaction(tx => tx.run('MATCH (n) RETURN count(n)'))
+    .writeTransaction(tx => tx.run('MATCH (n) RETURN count(n)'))
     .then(result => {
       const record = result.records[0]
       const count = record.get(0).toNumber()

test/stress.test.js

@@ -449,7 +449,7 @@ describe('#integration stress tests', () => {
 
     const session = context.driver.session()
     return session
-      .readTransaction(tx => tx.run('MATCH (n) RETURN count(n)'))
+      .writeTransaction(tx => tx.run('MATCH (n) RETURN count(n)'))
       .then(result => {
         const record = result.records[0]
         const count = record.get(0).toNumber()