Remove the usage of constants as they are unavailable in older versions of Symfony Console.

Author: paulpartington-cti

Console/Command/ListCommand.php

@@ -52,8 +52,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
             }
         } catch (ConfiguratorAdapterException $e) {
             $output->writeln('<error>' . $e->getMessage() . '</error>');
-            return Command::FAILURE;
+            return 1;
         }
-        return Command::SUCCESS;
+        return 0;
     }
 }

Console/Command/RunCommand.php

@@ -105,8 +105,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
             }
         } catch (\Exception $e) {
             $output->writeln('<error>' . $e->getMessage() . '</error>');
-            return Command::FAILURE;
+            return 1;
         }
-        return Command::SUCCESS;
+        return 0;
     }
 }