ci: validate EGL core contexts before legacy isolation

Author: tritao

.github/workflows/continuous-integration-workflow.yml

@@ -32,8 +32,8 @@ jobs:
           path: cmake_install_dir/
         if: always()
 
-  ubuntu-core:
-    name: Ubuntu CI (GL core)
+  ubuntu-egl-context:
+    name: Ubuntu CI (EGL headless)
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
@@ -44,10 +44,10 @@ jobs:
         run: |
           sudo apt-get -y update
           sudo apt-get -y install freeglut3-dev
-          cmake -S . -B cmake_build_dir -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCOIN_BUILD_LEGACY_GL_RENDERER=OFF -DCOIN_BUILD_TESTS=ON -DCOIN_BUILD_EXAMPLES=OFF -DCOIN_BUILD_DOCUMENTATION=OFF
+          cmake -S . -B cmake_build_dir -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCOIN_BUILD_LEGACY_GL_RENDERER=ON -DCOIN_BUILD_TESTS=ON -DCOIN_BUILD_EXAMPLES=OFF -DCOIN_BUILD_DOCUMENTATION=OFF
       - name: Build EGL binding test
         run: cmake --build cmake_build_dir --target EGLBindingTest --config Release -- -j4
-      - name: Run EGL binding test
+      - name: Run EGL binding test in a core profile
         run: ctest -C Release -R '^EGLBindingTest$' --output-on-failure
         working-directory: cmake_build_dir
         env: