Update GHA workflow

Author: justinyoo

.github/workflows/azure-dev-build-only.yml

@@ -53,10 +53,16 @@ jobs:
       run: |
         dotnet build
 
-    - name: Test solution
+    - name: Run unit tests
       shell: bash
       run: |
-        dotnet test --logger "trx" --collect:"XPlat Code Coverage"
+        dotnet test ./test/AzureOpenAIProxy.AppHost.Tests --logger "trx" --collect:"XPlat Code Coverage"
+        dotnet test ./test/AzureOpenAIProxy.ApiApp.Tests --logger "trx" --collect:"XPlat Code Coverage"
+
+    # - name: Run integration tests
+    #   shell: bash
+    #   run: |
+    #     dotnet test ./test/AzureOpenAIProxy.PlaygroundApp.Tests --logger "trx" --collect:"XPlat Code Coverage"
 
     - name: Publish test results
       if: ${{ !cancelled() }}

test/AzureOpenAIProxy.PlaygroundApp.Tests/UnitTest1.cs

@@ -6,4 +6,4 @@ public class UnitTest1
     public void Test1()
     {
     }
-}
+}