3 files changed, 12 insertions, 0 deletions
diff --git a/test/content/InputDriver.test.ts b/test/content/InputDriver.test.ts
index f464dac..b0dde77 100644
--- a/test/content/InputDriver.test.ts
+++ b/test/content/InputDriver.test.ts
@@ -1,3 +1,7 @@
+/**
+ * @jest-environment jsdom
+ */
+
 import InputDriver, {
   keyFromKeyboardEvent,
 } from "../../src/content/InputDriver";
diff --git a/test/content/presenters/Hint.test.ts b/test/content/presenters/Hint.test.ts
index 1a7c868..e9be2d5 100644
--- a/test/content/presenters/Hint.test.ts
+++ b/test/content/presenters/Hint.test.ts
@@ -1,3 +1,7 @@
+/**
+ * @jest-environment jsdom
+ */
+
 import AbstractHint, {
   LinkHint,
   InputHint,
diff --git a/test/content/presenters/NavigationPresenter.test.ts b/test/content/presenters/NavigationPresenter.test.ts
index 8d003c4..74466ae 100644
--- a/test/content/presenters/NavigationPresenter.test.ts
+++ b/test/content/presenters/NavigationPresenter.test.ts
@@ -1,3 +1,7 @@
+/**
+ * @jest-environment jsdom
+ */
+
 import { NavigationPresenterImpl } from "../../../src/content/presenters/NavigationPresenter";
 import { expect } from "chai";