Create nextest config.

- Single threaded as required by tests.
- Counts any test longer than 2 minutes as failed instead of hanging.

Author: wmedrano

.config/nextest.toml

@@ -0,0 +1,4 @@
+[profile.default]
+test-threads = 1
+slow-timeout = { period = "30s", terminate-after = 4 }
+fail-fast = false

.github/workflows/testing.yml

@@ -27,6 +27,4 @@ jobs:
       - name: Build (metadata)
         run: cargo build --verbose --no-default-features --features metadata
       - name: Run Tests
-        run: cargo nextest run --all-features --test-threads 1
-        env:
-          RUST_TEST_THREADS: 1
+        run: cargo nextest run --all-features