added initial integration tests with bun

libs/config/src/core.ts

@@ -56,6 +56,7 @@ export function getEnvironment(): Environment {
     case 'development':
       return Environment.Development;
     case 'testing':
+    case 'test':  // Handle both 'test' and 'testing' for compatibility
       return Environment.Testing;
     case 'staging':
       return Environment.Staging;