[Cargo] Force the tests to run single-threaded

This fixes the issue where some tests could intermittently fail due to multithreaded access of the `config.json` file.

.cargo/config.toml

@@ -2,6 +2,7 @@
 rustflags = ["-C", "target-feature=+crt-static"]
 
 [alias]
+test-backend = 'test -- --test-threads=1'
 build-win32 = 'build --profile dist --package ufc-ripper --features=exe_res'
 build-linux = 'build --profile dist --package ufc-ripper'
 pack-win32 = 'run --release --package pack -- --platform win32'

.github/workflows/test.yml

@@ -37,4 +37,4 @@ jobs:
           toolchain: 1.77.2
       # Run tests
       - name: Run tests
-        run: cargo test
+        run: cargo test-backend

package.json

@@ -13,7 +13,7 @@
   "scripts": {
     "dev:backend": "cargo run --color=always --package ufc-ripper",
     "dev": "vite",
-    "test": "npm run build && cargo test",
+    "test": "npm run build && cargo test-backend",
     "build:backend:win32": "npm run build && cargo build-win32",
     "build:backend:linux": "npm run build && cargo build-linux",
     "build": "vite build",