fix lint and tests

packages/stream_chat_flutter/test/src/deleted_message_test.dart

@@ -79,6 +79,7 @@ void main() {
                 ),
               ),
             ),
+            connectivityStream: Stream.value(ConnectivityResult.mobile),
           ),
         ),
         surfaceSize: const Size.square(200),
@@ -131,6 +132,7 @@ void main() {
                 ),
               ),
             ),
+            connectivityStream: Stream.value(ConnectivityResult.mobile),
           ),
         ),
         surfaceSize: const Size.square(200),
@@ -187,6 +189,7 @@ void main() {
                 ),
               ),
             ),
+            connectivityStream: Stream.value(ConnectivityResult.mobile),
           ),
         ),
         surfaceSize: const Size.square(200),

packages/stream_chat_flutter/test/src/reaction_bubble_test.dart

@@ -60,6 +60,7 @@ void main() {
               maskColor: theme.ownMessageTheme.reactionsMaskColor!,
             ),
           ),
+          connectivityStream: Stream.value(ConnectivityResult.mobile),
         ),
         surfaceSize: const Size(100, 100),
       );
@@ -96,6 +97,7 @@ void main() {
               maskColor: theme.ownMessageTheme.reactionsMaskColor!,
             ),
           ),
+          connectivityStream: Stream.value(ConnectivityResult.mobile),
         ),
         surfaceSize: const Size(100, 100),
       );
@@ -118,6 +120,7 @@ void main() {
         StreamChat(
           client: client,
           streamChatThemeData: StreamChatThemeData.fromTheme(themeData),
+          connectivityStream: Stream.value(ConnectivityResult.mobile),
           child: Container(
             color: Colors.black,
             child: ReactionBubble(
@@ -162,6 +165,7 @@ void main() {
         StreamChat(
           client: client,
           streamChatThemeData: StreamChatThemeData.fromTheme(themeData),
+          connectivityStream: Stream.value(ConnectivityResult.mobile),
           child: Container(
             color: Colors.black,
             child: ReactionBubble(
@@ -204,6 +208,7 @@ void main() {
       await tester.pumpWidgetBuilder(
         StreamChat(
           client: client,
+          connectivityStream: Stream.value(ConnectivityResult.mobile),
           streamChatThemeData: StreamChatThemeData.fromTheme(themeData),
           child: SizedBox(
             child: ReactionBubble(

packages/stream_chat_flutter/test/src/system_message_test.dart

@@ -100,6 +100,7 @@ void main() {
                 ),
               ),
             ),
+            connectivityStream: Stream.value(ConnectivityResult.mobile),
           ),
         ),
         surfaceSize: const Size.square(200),
@@ -151,6 +152,7 @@ void main() {
                 ),
               ),
             ),
+            connectivityStream: Stream.value(ConnectivityResult.mobile),
           ),
         ),
         surfaceSize: const Size.square(200),