diff --git a/backend/src/http_server.c b/backend/src/http_server.c
index bcfab31..c122527 100644
--- a/backend/src/http_server.c
+++ b/backend/src/http_server.c
@@ -163,6 +163,9 @@ void http_ctx_res_headers_set(HttpCtx* ctx, const char* key, const char* value)
 
 void http_ctx_respond(HttpCtx* ctx, int status, const char* body)
 {
+    // https://httpwg.org/specs/rfc9112.html#persistent.tear-down
+    http_ctx_res_headers_set(ctx, "Connection", "close");
+
     String res;
     string_construct(&res);
 
diff --git a/backend/test/test_authentication.ts b/backend/test/test_authentication.ts
index a76e678..e61e92d 100644
--- a/backend/test/test_authentication.ts
+++ b/backend/test/test_authentication.ts
@@ -1,7 +1,5 @@
 import { assertEquals, assertMatch } from "jsr:@std/assert";
 
-import axios from "npm:axios";
-
 const url = `http://127.0.0.1:8080`;
 // const url = `http://10.135.51.114:8080`;
 
@@ -10,40 +8,61 @@ const email = `mash.skp_${Math.floor(Math.random() * 100000)}@edu.mercantec.dk`;
 const password = "Merc1234";
 
 Deno.test("test", async () => {
-    const registerRes = await axios.post(
-        `${url}/api/users/register`,
+    const registerRes = await post<{ ok: boolean }>(
+        `/api/users/register`,
         { name, email, password },
-        { responseType: "json" },
-    )
-        .then((res) => res.data);
+    );
 
     assertEquals(registerRes, { ok: true });
 
-    const loginRes = await axios.post(
-        `${url}/api/sessions/login`,
+    const loginRes = await post<{
+        ok: true;
+        token: string;
+    }>(
+        "/api/sessions/login",
         { email, password },
-        { responseType: "json" },
-    ).then((res) => res.data);
+    );
 
     assertEquals(loginRes.ok, true);
     assertMatch(loginRes.token, /^[0-9a-zA-Z]+$/);
     const token = loginRes.token;
 
-    const sessionUserRes = await axios.get(
-        `${url}/api/sessions/user`,
-        { headers: { "Session-Token": token } },
-    )
-        .then((res) => res.data)
-        .catch((error) => error.response.data);
+    const sessionUserRes = await get<{
+        ok: boolean;
+        user: unknown;
+    }>(
+        "/api/sessions/user",
+        { "Session-Token": token },
+    );
 
     assertEquals(sessionUserRes.ok, true);
     console.log(sessionUserRes.user);
 
-    const logoutRes = await axios.post(
-        `${url}/api/sessions/logout`,
+    const logoutRes = await post<{ ok: boolean }>(
+        "/api/sessions/logout",
         {},
-        { responseType: "json", headers: { "Session-Token": token } },
-    ).then((res) => res.data);
+        { "Session-Token": token },
+    );
 
     assertEquals(logoutRes, { ok: true });
 });
+
+function get<Res>(
+    path: string,
+    headers: Record<string, string>,
+): Promise<Res> {
+    return fetch(`${url}${path}`, { headers })
+        .then((res) => res.json());
+}
+
+function post<Res, Req = unknown>(
+    path: string,
+    body: Req,
+    headers: Record<string, string> = {},
+): Promise<Res> {
+    return fetch(`${url}${path}`, {
+        method: "post",
+        headers: { ...headers, "Content-Type": "application/json" },
+        body: JSON.stringify(body),
+    }).then((res) => res.json());
+}
diff --git a/temp.txt b/temp.txt
deleted file mode 100644
index defbed0..0000000
--- a/temp.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-
-this is a temp file
-