Fix hosted uri test (dart-lang/pubspec_parse#71)

pkgs/pubspec_parse/test/dependency_test.dart

diff --git a/pkgs/pubspec_parse/test/dependency_test.dart b/pkgs/pubspec_parse/test/dependency_test.dart
index c6f2dc5..9ccd614 100644
--- a/pkgs/pubspec_parse/test/dependency_test.dart
+++ b/pkgs/pubspec_parse/test/dependency_test.dart
@@ -109,11 +109,11 @@
   test('map w/ version and hosted as Map', () {
     final dep = _dependency<HostedDependency>({
       'version': '^1.0.0',
-      'hosted': {'name': 'hosted_name', 'url': 'hosted_url'}
+      'hosted': {'name': 'hosted_name', 'url': 'https://hosted_url'}
     });
     expect(dep.version.toString(), '^1.0.0');
     expect(dep.hosted!.name, 'hosted_name');
-    expect(dep.hosted!.url.toString(), 'hosted_url');
+    expect(dep.hosted!.url.toString(), 'https://hosted_url');
     expect(dep.toString(), 'HostedDependency: ^1.0.0');
   });