diff --git a/tools/cli/commands.js b/tools/cli/commands.js
index 1136afbdac..40ce5e3a2a 100644
--- a/tools/cli/commands.js
+++ b/tools/cli/commands.js
@@ -1615,7 +1615,7 @@ function doTestCommand(options) {
     projectContext.projectConstraintsFile.writeIfModified();
   } else if (options["test-app"]) {
     // XXX look in package list for testOnly packages
-    global.testCommandMetadata.driverPackage = 'avital:mocha';
+    global.testCommandMetadata.driverPackage = options['driver-package'] || 'avital:mocha';
 
     // Default to `--integration`
     if (!options.unit && !options.integration) {