Recognise Madgraph in tests

tests/run_gauss.py

@@ -52,6 +52,9 @@ def productionTool(dkopts):
                 return '$LBSUPERCHIC2ROOT/options/SuperChic2Pythia8.py'
         if 'Generation.AlpGenDict' in line:
             return '$LBALPGENROOT/options/AlpGen.py'
+        if 'sampleGenToolsOpts' in line and 'Generator' in line:
+            if 'Madgraph' in line:
+                return '$LBMADGRAPHROOT/options/MadgraphPythia8.py'
         match = re.search(
             r'''importOptions\s*\(\s*['"]([^'"]+)['"]\s*\)''', line
         )