tests fix

Author: AnnaFYZ

.github/workflows/test.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable
       - run: cargo test
   rustfmt:
     runs-on: ubuntu-latest

src/endpoints.rs

@@ -11,7 +11,6 @@ use serde::Serialize;
 use tower_sessions::Session;
 
 use crate::{
-    course,
     github_accounts::get_trainees,
     newtypes::GithubLogin,
     octocrab::{all_pages, octocrab},