Fix use of bundled kubectl (#241)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/common/__mocks__/user-store.ts

@@ -0,0 +1,9 @@
+const userStore = {
+  getPreferences: jest.fn(() => {
+    return {
+      downloadMirror: "default"
+    }
+  })
+}
+
+export { userStore };