diff --git a/_regroup/test-etapi/patch-attachment.http b/_regroup/test-etapi/patch-attachment.http
deleted file mode 100644
index 44ffe696f..000000000
--- a/_regroup/test-etapi/patch-attachment.http
+++ /dev/null
@@ -1,79 +0,0 @@
-POST {{triliumHost}}/etapi/create-note
-Authorization: {{authToken}}
-Content-Type: application/json
-
-{
-  "parentNoteId": "root",
-  "title": "Hello",
-  "type": "text",
-  "content": "Hi there!"
-}
-
-> {% client.global.set("createdNoteId", response.body.note.noteId); %}
-
-###
-
-POST {{triliumHost}}/etapi/attachments
-Authorization: {{authToken}}
-Content-Type: application/json
-
-{
-  "ownerId": "{{createdNoteId}}",
-  "role": "file",
-  "mime": "text/plain",
-  "title": "my attachment",
-  "content": "text"
-}
-
-> {% client.global.set("createdAttachmentId", response.body.attachmentId); %}
-
-###
-
-PATCH {{triliumHost}}/etapi/attachments/{{createdAttachmentId}}
-Authorization: {{authToken}}
-Content-Type: application/json
-
-{
-  "title": "CHANGED",
-  "position": 999
-}
-
-###
-
-GET {{triliumHost}}/etapi/attachments/{{createdAttachmentId}}
-Authorization: {{authToken}}
-
-> {%
-    client.assert(response.body.title === "CHANGED");
-    client.assert(response.body.position === 999);
-%}
-
-###
-
-PATCH {{triliumHost}}/etapi/attachments/{{createdAttachmentId}}
-Authorization: {{authToken}}
-Content-Type: application/json
-
-{
-  "ownerId": "root"
-}
-
-> {%
-    client.assert(response.status === 400);
-    client.assert(response.body.code == "PROPERTY_NOT_ALLOWED");
-%}
-
-###
-
-PATCH {{triliumHost}}/etapi/attachments/{{createdAttachmentId}}
-Authorization: {{authToken}}
-Content-Type: application/json
-
-{
-  "title": null
-}
-
-> {%
-    client.assert(response.status === 400);
-    client.assert(response.body.code == "PROPERTY_VALIDATION_ERROR");
-%}
diff --git a/apps/server/spec/etapi/patch-attachment.spec.ts b/apps/server/spec/etapi/patch-attachment.spec.ts
new file mode 100644
index 000000000..706ac7fbb
--- /dev/null
+++ b/apps/server/spec/etapi/patch-attachment.spec.ts
@@ -0,0 +1,78 @@
+import { Application } from "express";
+import { beforeAll, describe, expect, it } from "vitest";
+import supertest from "supertest";
+import { createNote, login } from "./utils.js";
+import config from "../../src/services/config.js";
+
+let app: Application;
+let token: string;
+
+const USER = "etapi";
+let createdNoteId: string;
+let createdAttachmentId: string;
+
+describe("etapi/attachment-content", () => {
+    beforeAll(async () => {
+        config.General.noAuthentication = false;
+        const buildApp = (await (import("../../src/app.js"))).default;
+        app = await buildApp();
+        token = await login(app);
+
+        createdNoteId = await createNote(app, token);
+
+        // Create an attachment
+        const response = await supertest(app)
+            .post(`/etapi/attachments`)
+            .auth(USER, token, { "type": "basic"})
+            .send({
+                "ownerId": createdNoteId,
+                "role": "file",
+                "mime": "text/plain",
+                "title": "my attachment",
+                "content": "text"
+            });
+        createdAttachmentId = response.body.attachmentId;
+        expect(createdAttachmentId).toBeTruthy();
+    });
+
+    it("changes title and position", async () => {
+        const state = {
+            title: "CHANGED",
+            position: 999
+        }
+        await supertest(app)
+            .patch(`/etapi/attachments/${createdAttachmentId}`)
+            .auth(USER, token, { "type": "basic"})
+            .send(state)
+            .expect(200);
+
+        // Ensure it got changed.
+        const response = await supertest(app)
+            .get(`/etapi/attachments/${createdAttachmentId}`)
+            .auth(USER, token, { "type": "basic"});
+        expect(response.body).toMatchObject(state);
+    });
+
+    it("forbids changing owner", async () => {
+        const response = await supertest(app)
+            .patch(`/etapi/attachments/${createdAttachmentId}`)
+            .auth(USER, token, { "type": "basic"})
+            .send({
+                ownerId: "root"
+            })
+            .expect(400);
+        expect(response.body.code).toStrictEqual("PROPERTY_NOT_ALLOWED");
+    });
+
+    it("handles validation error", async () => {
+        const response = await supertest(app)
+            .patch(`/etapi/attachments/${createdAttachmentId}`)
+            .auth(USER, token, { "type": "basic"})
+            .send({
+                title: null
+            })
+            .expect(400);
+        expect(response.body.code).toStrictEqual("PROPERTY_VALIDATION_ERROR");
+    });
+
+});