1 files changed, 10 insertions, 1 deletions
diff --git a/src/mongo/shell/replsettest.js b/src/mongo/shell/replsettest.js
index 8f1522b7618..ea8766968e6 100644
--- a/src/mongo/shell/replsettest.js
+++ b/src/mongo/shell/replsettest.js
@@ -484,7 +484,7 @@ var ReplSetTest = function(opts) {
             member._id = i;
 
             member.host = this.host;
-            if (!member.host.contains('/')) {
+            if (!member.host.includes('/')) {
                 member.host += ":" + this.ports[i];
             }
 
@@ -2279,6 +2279,15 @@ var ReplSetTest = function(opts) {
 
         // Turn off periodic noop writes for replica sets by default.
         options.setParameter = options.setParameter || {};
+        if (typeof(options.setParameter) === "string") {
+            var eqIdx = options.setParameter.indexOf("=");
+            if (eqIdx != -1) {
+                var param = options.setParameter.substring(0, eqIdx);
+                var value = options.setParameter.substring(eqIdx + 1);
+                options.setParameter = {};
+                options.setParameter[param] = value;
+            }
+        }
         options.setParameter.writePeriodicNoops = options.setParameter.writePeriodicNoops || false;
 
         // We raise the number of initial sync connect attempts for tests that disallow chaining.