1 files changed, 2 insertions, 3 deletions
diff --git a/test/content/operators/impls/FollowOperatorFactoryChain.test.ts b/test/content/operators/impls/FollowOperatorFactoryChain.test.ts
index 91f734b..84a4a52 100644
--- a/test/content/operators/impls/FollowOperatorFactoryChain.test.ts
+++ b/test/content/operators/impls/FollowOperatorFactoryChain.test.ts
@@ -1,5 +1,4 @@
 import * as operations from "../../../../src/shared/operations";
-import { expect } from "chai";
 import FocusOperatorFactoryChain from "../../../../src/content/operators/impls/FocusOperatorFactoryChain";
 import FocusOperator from "../../../../src/content/operators/impls/FocusOperator";
 import MockFocusPresenter from "../../mock/MockFocusPresenter";
@@ -8,10 +7,10 @@ describe("FocusOperatorFactoryChain", () => {
   describe("#create", () => {
     it("returns an operator", () => {
       const sut = new FocusOperatorFactoryChain(new MockFocusPresenter());
-      expect(sut.create({ type: operations.FOCUS_INPUT }, 0)).to.be.instanceOf(
+      expect(sut.create({ type: operations.FOCUS_INPUT }, 0)).toBeInstanceOf(
         FocusOperator
       );
-      expect(sut.create({ type: operations.SCROLL_TOP }, 0)).to.be.null;
+      expect(sut.create({ type: operations.SCROLL_TOP }, 0)).toBeNull;
     });
   });
 });