Build in matrix all

Signed-off-by: Hannes Achleitner <hannes.software@gmx.at>

.github/workflows/screenShotTest.yml

@@ -8,6 +8,7 @@ jobs:
     screenshot:
         runs-on: macOS-latest
         strategy:
+            fail-fast: false
             matrix:
                 scheme: [ Dark, Light ]
                 color: [ blue, white ]