added comment

test-mineflayer/storeys.test.js

@@ -2,6 +2,7 @@ const mineflayer = require('mineflayer');
 
 describe("Storeys plugin test", () => {
   beforeAll(() => {
+    // Prevent jest from complaining about an import after the test is done (You are trying to `import` a file after the Jest environment has been torn down.)
     jest.useFakeTimers('legacy');
     console.log = () => {};
   });