Add tests for rustls

Author: Proziam

Diff for: .github/workflows/rust.yml

@@ -36,5 +36,7 @@ jobs:
     - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
     - name: Build
       run: cargo build --verbose
-    - name: Run tests
+    - name: Run default tests
       run: cargo test --verbose -- --nocapture --test-threads=1
+    - name: Run rustls tests
+      run: cargo test --verbose --features use-rustls -- --nocapture --test-threads=1