diff --git a/lib/util/cache.spec.ts b/lib/util/cache.spec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..14413bad8b2a61f1776a640d2841c7dd68ee4cc9
--- /dev/null
+++ b/lib/util/cache.spec.ts
@@ -0,0 +1,7 @@
+import { getRepoCache } from './cache';
+
+describe('getRepoCache', () => {
+  it('returns the global cache', () => {
+    expect(getRepoCache()).toBeDefined();
+  });
+});