Add toggle switch to unstable test/callTimeout.js

Author: cjbj

test/callTimeout.js

@@ -23,6 +23,9 @@
  *
  * DESCRIPTION
  *   Test "Connection.callTimeout" property.
+ *   This test requries NODE_ORACLEDB_QA environment variable to be true.
+ *   Because test cases use the hard-code variables TIME_OUT and
+ *   DB_OP_TIME which are not stable in all network situations.
  *
  *****************************************************************************/
 'use strict';
@@ -39,7 +42,10 @@ describe('222. callTimeout.js', function() {
   let conn;
 
   before(async function() {
-    isRunnable = await testsUtil.checkPrerequisites();
+
+    const isQA = dbconfig.test.NODE_ORACLEDB_QA;
+    const prep = await testsUtil.checkPrerequisites();
+    isRunnable = isQA && prep;
     if (!isRunnable) {
       this.skip();
       return;

test/dbconfig.js

@@ -69,6 +69,15 @@ if (process.env.NODE_ORACLEDB_EXTERNALAUTH) {
   }
 }
 
+if (process.env.NODE_ORACLEDB_QA) {
+  let isQA = process.env.NODE_ORACLEDB_QA;
+  isQA = String(isQA);
+  isQA = isQA.toLowerCase();
+  if (isQA == 'true') {
+    config.test.NODE_ORACLEDB_QA = true;
+  }
+}
+
 if (process.env.NODE_ORACLEDB_DBA_PRIVILEGE) {
   var priv = process.env.NODE_ORACLEDB_DBA_PRIVILEGE;
   priv = String(priv);