add test without trailing slash

test/artifacts/ArtifactsList.test.tsx

@@ -2,7 +2,7 @@ import React from "react";
 import { render, screen } from "@testing-library/react";
 import { ArtifactList } from "../../src/features/artifacts/components";
 import { mockTheme } from "../testutils";
-import { prefGlobal } from "../../src/preferences";
+import { prefGlobal, prefDefault } from "../../src/preferences";
 
 const ARTIFACTS = [
   {
@@ -24,4 +24,17 @@ describe("<ArtifactList />", () => {
       "http://localhost:8080/conda-store/api/v1/build/1/lockfile/"
     );
   });
+
+  it("should render correct URL if API base url lacks trailing slash", () => {
+    prefGlobal.set({
+      ...prefDefault,
+      apiUrl: "http://localhost:8080/conda-store"
+    });
+
+    render(mockTheme(<ArtifactList artifacts={ARTIFACTS} />));
+    expect(screen.getByText("Show lockfile")).toHaveAttribute(
+      "href",
+      "http://localhost:8080/conda-store/api/v1/build/1/lockfile/"
+    );
+  });
 });