diff --git a/source/runner/runners/utils/_tests/_transpiler.test.ts b/source/runner/runners/utils/_tests/_transpiler.test.ts
index 966893525..eb108f2c6 100644
--- a/source/runner/runners/utils/_tests/_transpiler.test.ts
+++ b/source/runner/runners/utils/_tests/_transpiler.test.ts
@@ -1,5 +1,6 @@
 jest.mock("fs", () => ({
   readFileSync: jest.fn(),
+  realpathSync: {},
   existsSync: jest.fn(),
 }))
 jest.mock("path", () => {