chore: addressed review feedback

packages/share_repository/lib/src/share_repository.dart

@@ -11,7 +11,9 @@ class ShareRepository {
   static const _shareUrl = 'https://ashehwkdkdjruejdnensjsjdne.web.app/#/';
 
   /// Returns a url to share the [shareText] on the given [platform].
+  ///
   /// The returned url can be opened using the [url_launcher](https://pub.dev/packages/url_launcher) package.
+  ///
   /// The [shareText] must have the score embedded.
   String shareScore({
     required String shareText,

packages/share_repository/test/src/share_repository_test.dart

@@ -10,36 +10,30 @@ void main() {
       shareRepository = ShareRepository();
     });
 
-    group('constructor', () {
-      test('creates new ShareRepository instance', () {
+    test('can be instantiated', () {
       expect(ShareRepository(), isNotNull);
     });
-    });
 
     group('shareScore', () {
       const shareText = 'hello world!';
       test('returns the correct share url for twitter', () async {
-        expect(
-          shareRepository.shareScore(
+        const shareScoreUrl =
+            'https://twitter.com/intent/tweet?url=https%3A%2F%2Fashehwkdkdjruejdnensjsjdne.web.app%2F%23%2F&text=hello%20world!';
+        final shareScoreResult = shareRepository.shareScore(
           shareText: shareText,
           platform: SharePlatform.twitter,
-          ),
-          equals(
-            'https://twitter.com/intent/tweet?url=https%3A%2F%2Fashehwkdkdjruejdnensjsjdne.web.app%2F%23%2F&text=hello%20world!',
-          ),
         );
+        expect(shareScoreResult, equals(shareScoreUrl));
       });
 
       test('returns the correct share url for facebook', () async {
-        expect(
-          shareRepository.shareScore(
+        const shareScoreUrl =
+            'https://www.facebook.com/sharer.php?u=https%3A%2F%2Fashehwkdkdjruejdnensjsjdne.web.app%2F%23%2F&quote=hello%20world!';
+        final shareScoreResult = shareRepository.shareScore(
           shareText: shareText,
           platform: SharePlatform.facebook,
-          ),
-          equals(
-            'https://www.facebook.com/sharer.php?u=https%3A%2F%2Fashehwkdkdjruejdnensjsjdne.web.app%2F%23%2F&quote=hello%20world!',
-          ),
         );
+        expect(shareScoreResult, equals(shareScoreUrl));
       });
     });
   });