Update directory structure for baseline diff tests

Author: camdecoster

.github/workflows/ci.yml

@@ -291,13 +291,20 @@ jobs:
           echo "::warning::Image Diff Detected: baseline images may need to be updated."
           echo "Download the baseline images from the artifacts of this workflow run."
           echo "Add the new images to 'test/image/baselines/' and commit them to this pull request."
+          mkdir -p build/baselines
+          for f in build/test_images/*.png; do
+            [ -f "$f" ] && cp "test/image/baselines/$(basename "$f")" build/baselines/ 2>/dev/null || true
+          done
 
       - uses: actions/upload-artifact@v7
         if: failure()
         with:
           name: baselines-default-diff
           retention-days: 7
-          path: build/
+          path: |
+            build/baselines/
+            build/test_images/
+            build/test_images_diff/
 
   make-baselines-b64:
     needs: install-and-cibuild
@@ -351,13 +358,20 @@ jobs:
           echo "::warning::Image Diff Detected: baseline images may need to be updated."
           echo "Download the baseline images from the artifacts of this workflow run."
           echo "Add the new images to 'test/image/baselines/' and commit them to this pull request."
+          mkdir -p build/baselines
+          for f in build/test_images/*.png; do
+            [ -f "$f" ] && cp "test/image/baselines/$(basename "$f")" build/baselines/ 2>/dev/null || true
+          done
 
       - uses: actions/upload-artifact@v7
         if: failure()
         with:
           name: baselines-b64-diff
           retention-days: 7
-          path: build/
+          path: |
+            build/baselines/
+            build/test_images/
+            build/test_images_diff/
 
   make-baselines-virtual-webgl:
     needs: install-and-cibuild
@@ -411,13 +425,20 @@ jobs:
           echo "::warning::Image Diff Detected: baseline images may need to be updated."
           echo "Download the baseline images from the artifacts of this workflow run."
           echo "Add the new images to 'test/image/baselines/' and commit them to this pull request."
+          mkdir -p build/baselines
+          for f in build/test_images/*.png; do
+            [ -f "$f" ] && cp "test/image/baselines/$(basename "$f")" build/baselines/ 2>/dev/null || true
+          done
 
       - uses: actions/upload-artifact@v7
         if: failure()
         with:
           name: baselines-virtual-webgl-diff
           retention-days: 7
-          path: build/
+          path: |
+            build/baselines/
+            build/test_images/
+            build/test_images_diff/
 
   make-baselines-mathjax3:
     needs: install-and-cibuild
@@ -463,13 +484,20 @@ jobs:
           echo "::warning::Image Diff Detected: baseline images may need to be updated."
           echo "Download the baseline images from the artifacts of this workflow run."
           echo "Add the new images to 'test/image/baselines/' and commit them to this pull request."
+          mkdir -p build/baselines
+          for f in build/test_images/*.png; do
+            [ -f "$f" ] && cp "test/image/baselines/$(basename "$f")" build/baselines/ 2>/dev/null || true
+          done
 
       - uses: actions/upload-artifact@v7
         if: failure()
         with:
           name: baselines-mathjax3-diff
           retention-days: 7
-          path: build/
+          path: |
+            build/baselines/
+            build/test_images/
+            build/test_images_diff/
 
   # ============================================================
   # Export generation and testing