install mesa

Author: MariusCausemann

.github/workflows/test_conda.yml

@@ -27,11 +27,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      #- name: Install Headless Plotting Libs
-      #  if: runner.os == 'Linux'
-      #  run: |
-      #    sudo apt-get update
-      #    sudo apt-get install -y libosmesa6 libgl1
+      - name: Install Headless Plotting Lib (Linux)
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libosmesa6 libgl1
 
       - name: Setup conda-forge
         uses: conda-incubator/setup-miniconda@v3
@@ -47,7 +47,7 @@ jobs:
       - name: Install Missing Tools (Linux/Win)
         if: runner.os != 'macOS'
         run: |
-          conda install snakemake mesalib libglvnd libegl pytest
+          conda install snakemake mesalib pytest
 
       # 2. Install for macOS (Excludes mesalib)
       - name: Install Missing Tools (macOS)