3 files changed, 4 insertions, 4 deletions
diff --git a/test/background/completion/TabCompletionUseCase.test.ts b/test/background/completion/TabCompletionUseCase.test.ts
index d8aa385..e1a88a2 100644
--- a/test/background/completion/TabCompletionUseCase.test.ts
+++ b/test/background/completion/TabCompletionUseCase.test.ts
@@ -18,7 +18,7 @@ class MockTabRepository implements TabRepositoryImpl {
 }
 
 class MockTabPresenter implements TabPresenter {
-  create(_url: string, _opts?: object): Promise<browser.tabs.Tab> {
+  create(_url: string, _opts?: unknown): Promise<browser.tabs.Tab> {
     throw new Error("not implemented");
   }
 
diff --git a/test/background/repositories/Mark.test.ts b/test/background/repositories/Mark.test.ts
index 5cee5b6..3b054e5 100644
--- a/test/background/repositories/Mark.test.ts
+++ b/test/background/repositories/Mark.test.ts
@@ -13,13 +13,13 @@ describe("background/repositories/mark", () => {
 
     await repository.setMark("A", mark);
 
-    let got = (await repository.getMark("A"))!!;
+    let got = (await repository.getMark("A"))!;
     expect(got.tabId).to.equal(1);
     expect(got.url).to.equal("http://example.com");
     expect(got.x).to.equal(10);
     expect(got.y).to.equal(30);
 
-    got = (await repository.getMark("B"))!!;
+    got = (await repository.getMark("B"))!;
     expect(got).to.be.undefined;
   });
 });
diff --git a/test/background/usecases/NavigateUseCase.test.ts b/test/background/usecases/NavigateUseCase.test.ts
index 7263627..086d6cd 100644
--- a/test/background/usecases/NavigateUseCase.test.ts
+++ b/test/background/usecases/NavigateUseCase.test.ts
@@ -5,7 +5,7 @@ import NavigateClient from "../../../src/background/clients/NavigateClient";
 import * as sinon from "sinon";
 
 class MockTabPresenter implements TabPresenter {
-  create(_url: string, _opts?: object): Promise<browser.tabs.Tab> {
+  create(_url: string, _opts?: unknown): Promise<browser.tabs.Tab> {
     throw new Error("not implemented");
   }