Update tests/permissions-descriptions.spec.js

Co-authored-by: Copilot <[email protected]>

Author: jasonjoh

tests/permissions-descriptions.spec.js

@@ -30,12 +30,9 @@ describe('Permissions descriptions consistency', function() {
         const adminDisplayName = permission.adminConsentDisplayName || '';
         const consentDisplayName = permission.consentDisplayName || '';
 
-        if (adminDisplayName) {
-          expect(adminDisplayName.endsWith('.')).toBe(false);
-        }
-        if (consentDisplayName) {
-          expect(consentDisplayName.endsWith('.')).toBe(false);
-        }
+        [adminDisplayName, consentDisplayName].forEach(displayName => {
+          expect(displayName.endsWith('.')).toBe(false);
+        });
       });
     });
   }