diff --git a/test-server/test-sims.js b/test-server/test-sims.js
index 59cead0..bab1cb1 100644
--- a/test-server/test-sims.js
+++ b/test-server/test-sims.js
@@ -55,6 +55,9 @@
     testConcurrentBuilds: {
       type: 'number',
       defaultValue: 1
+    },
+    randomize: {
+      type: 'flag'
     }
   } );
 
@@ -317,6 +320,9 @@
       if ( options.testSims.length ) {
         simNames = options.testSims;
       }
+      if ( options.randomize ) {
+        simNames = _.shuffle( simNames );
+      }
 
       simNames.forEach( function( simName ) {
         createStatusElement( simName );