ci: run all tests in workspace

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
 
 env:
@@ -39,4 +39,4 @@ jobs:
       - name: clippy (deny warnings)
         run: cargo clippy --all-targets --all-features -- -D warnings
       - name: tests
-        run: cargo test --all-features --all-targets --no-fail-fast
+        run: cargo test --workspace --all-features --all-targets --no-fail-fast