Edition-switch: keep tests as is

Author: YannBonnemay

js-src/Builder.spec.ts

@@ -119,9 +119,8 @@ describe("Builder", () => {
   beforeAll(async () => {
     await fs.ensureDir(tempDir);
     // Read all test files once
-    const buffer = await fs.readFile("./tests/fixtures/CA.jpg");
     source = {
-      buffer,
+      buffer: await fs.readFile("./tests/fixtures/CA.jpg"),
       mimeType: "jpeg",
     };
     testThumbnail = await fs.readFile("./tests/fixtures/thumbnail.jpg");