chore: cleanup CI output

Run mix compile before tests so the output is separate.

Trace will make it easier to understand if some tests were excluded and
such.

.github/workflows/ci.yml

@@ -39,10 +39,9 @@ jobs:
       with:
           otp-version: ${{ matrix.otp }}
           elixir-version: ${{ matrix.elixir }}
-    - name: Mix Dependencies
-      run: mix deps.get
-    - name: Test
-      run: mix test
+    - run: mix deps.get
+    - run: mix compile
+    - run: mix test --trace
 
   lint:
     runs-on: ubuntu-20.04