1 files changed, 3 insertions, 3 deletions
diff --git a/cli/js/unit_test_runner.ts b/cli/js/unit_test_runner.ts
index c2c654696..dd095058f 100755
--- a/cli/js/unit_test_runner.ts
+++ b/cli/js/unit_test_runner.ts
@@ -9,14 +9,14 @@ import {
 
 interface TestResult {
   perms: string;
-  output: string;
+  output?: string;
   result: number;
 }
 
 function permsToCliFlags(perms: Permissions): string[] {
   return Object.keys(perms)
-    .map((key): string => {
-      if (!perms[key]) return "";
+    .map(key => {
+      if (!perms[key as keyof Permissions]) return "";
 
       const cliFlag = key.replace(
         /\.?([A-Z])/g,