diff --git a/tests/setup.ts b/tests/setup.ts
new file mode 100644
index 0000000..2534e3f
--- /dev/null
+++ b/tests/setup.ts
@@ -0,0 +1,4 @@
+jest.mock('process', () => ({
+  ...jest.requireActual('process'),
+  exit: jest.fn(),
+}));