Changelog:

- Renamed utlis_test to utils_test.
- Removed author section no longer needed.

Author: CodingAleCR

test/utils_test.dart

@@ -0,0 +1,33 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:http_interceptor/utils.dart';
+
+main() {
+  group("addParametersToUrl", () {
+    test("Adds parameters to a URL string without parameters", () {
+      // Arrange
+      String url = "https://www.google.com/helloworld";
+      Map<String, String> parameters = {"foo": "bar", "num": "0"};
+
+      // Act
+      String parameterUrl = addParametersToUrl(url, parameters);
+
+      // Assert
+      expect(parameterUrl,
+          equals("https://www.google.com/helloworld?foo=bar&num=0"));
+    });
+    test("Adds parameters to a URL string with parameters", () {
+      // Arrange
+      String url = "https://www.google.com/helloworld?foo=bar&num=0";
+      Map<String, String> parameters = {"extra": "1", "extra2": "anotherone"};
+
+      // Act
+      String parameterUrl = addParametersToUrl(url, parameters);
+
+      // Assert
+      expect(
+          parameterUrl,
+          equals(
+              "https://www.google.com/helloworld?foo=bar&num=0&extra=1&extra2=anotherone"));
+    });
+  });
+}