Handle failed execution in execute_live

src/main/python/ddadevops/infrastructure/infrastructure.py

@@ -112,7 +112,9 @@ class ExecutionApi:
             for line in iter(process.stdout.readline, b""):
                 print(line.decode("utf-8"), end="")
             process.stdout.close()
-            process.wait()
+            return_code = process.wait()
+            if return_code != 0:
+                raise RuntimeError(f"Execute live failed with code: {return_code}")
 
 
 class EnvironmentApi: