fix test

lib/src/configuration.dart

@@ -86,14 +86,8 @@ class Configuration {
     Log.startingTask(taskName);
     await _findAndSetCliPath();
 
-    try {
-      final reader = ConfigReader();
-      loadConfig(reader);
-    } catch (e) {
-      // Will catch an exception if no proper config could be found e.g sentry.properties or pubspec.yaml
-      Log.error(e.toString());
-      return;
-    }
+    final reader = ConfigReader();
+    loadConfig(reader);
 
     Log.taskCompleted(taskName);
   }

lib/src/utils/config-reader/config_reader.dart

@@ -4,6 +4,7 @@ import 'package:file/file.dart';
 
 import '../injector.dart';
 import '../log.dart';
+import 'no_op_config_reader.dart';
 import 'properties_config_reader.dart';
 import 'yaml_config_reader.dart';
 
@@ -35,8 +36,8 @@ abstract class ConfigReader {
           Properties.fromString(propertiesFile.readAsStringSync());
       return PropertiesConfigReader(properties);
     }
-    throw Exception(
-        'no config found, please use sentry.properties or pubspec.yaml.');
+    Log.error('no config found, please use sentry.properties or pubspec.yaml.');
+    return NoOpConfigReader();
   }
 
   static dynamic getPubspec() {

lib/src/utils/config-reader/no_op_config_reader.dart

@@ -0,0 +1,20 @@
+import 'config_reader.dart';
+
+class NoOpConfigReader implements ConfigReader {
+  NoOpConfigReader();
+
+  @override
+  bool? getBool(String key, {String? deprecatedKey}) {
+    return null;
+  }
+
+  @override
+  String? getString(String key, {String? deprecatedKey}) {
+    return null;
+  }
+
+  @override
+  bool contains(String key) {
+    return false;
+  }
+}