docs(testing): clarify createSpy docs (#2195)

diff --git a/packages/testing/src/testing.ts b/packages/testing/src/testing.ts
index a3e169ab2914f67158c15084def62fa3ec31ed04..a9f7760a6e66afe0778eca7fd582212630baec7e 100644 (file)
--- a/packages/testing/src/testing.ts
+++ b/packages/testing/src/testing.ts
@@ -65,7 +65,8 @@ export interface TestingOptions {
 
   /**
    * Function used to create a spy for actions and `$patch()`. Pre-configured
-   * with `jest.fn()` in jest projects or `vi.fn()` in vitest projects.
+   * with `jest.fn` in Jest projects or `vi.fn` in Vitest projects if 
+   * `globals: true` is set.
    */
   createSpy?: (fn?: (...args: any[]) => any) => (...args: any[]) => any
 }