diff --git a/eslint.config.mjs b/eslint.config.mjs
index 9cc33711b..4bb64a5ee 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -144,10 +144,16 @@ export default [
     },
   },
   {
-    // Test files commonly define several small mock/fake classes.
+    // Test files commonly define several small mock/fake classes and named
+    // function expressions used as constructor mocks (e.g.
+    // `setGlobal('AudioWorkletNode', function AudioWorkletNode(){})`), which must
+    // NOT be rewritten to arrows (arrows aren't constructable). Relax the
+    // stylistic class/callback rules here.
     files: ['**/*.test.ts', '**/*.test.tsx'],
     rules: {
       'max-classes-per-file': 'off',
+      'lines-between-class-members': 'off',
+      'prefer-arrow-callback': 'off',
     },
   },
 ];