[CHA-1630] Remove tests for updating restricted visibility

Removed tests for updating messages with restricted visibility.

Author: Acconut

spec/channel_spec.rb

@@ -375,73 +375,6 @@ def loop_times(times)
     expect(msg['message']['restricted_visibility']).to match_array([@random_users[0][:id], @random_users[1][:id]])
   end
 
-  it 'can update message with restricted visibility' do
-    # Add users as members before testing restricted visibility
-    @channel.add_members([@random_users[0][:id], @random_users[1][:id]])
-
-    # First send a regular message
-    msg = @channel.send_message(
-      {
-        'text' => 'original message'
-      },
-      @random_user[:id]
-    )
-
-    # Update the message with restricted visibility
-    updated_msg = @client.update_message(
-      {
-        'id' => msg['message']['id'],
-        'text' => 'updated secret message',
-        'restricted_visibility' => [@random_users[0][:id], @random_users[1][:id]],
-        'user' => { 'id' => @random_user[:id] }
-      }
-    )
-
-    # Verify the message was updated successfully
-    expect(updated_msg).to include 'message'
-    expect(updated_msg['message']['text']).to eq 'updated secret message'
-
-    # Verify the restricted visibility
-    expect(updated_msg['message']['restricted_visibility']).to match_array([@random_users[0][:id], @random_users[1][:id]])
-  end
-
-  it 'can update message partially with restricted visibility' do
-    # Add users as members before testing restricted visibility
-    @channel.add_members([@random_users[0][:id], @random_users[1][:id]])
-
-    # First send a regular message
-    msg = @channel.send_message(
-      {
-        'text' => 'original message',
-        'custom_field' => 'original value'
-      },
-      @random_user[:id]
-    )
-
-    # Partially update the message with restricted visibility
-    updated_msg = @client.update_message_partial(
-      msg['message']['id'],
-      {
-        set: {
-          text: 'partially updated secret message',
-          restricted_visibility: [@random_users[0][:id], @random_users[1][:id]]
-        },
-        unset: ['custom_field']
-      },
-      user_id: @random_user[:id]
-    )
-
-    # Verify the message was updated successfully
-    expect(updated_msg).to include 'message'
-    expect(updated_msg['message']['text']).to eq 'partially updated secret message'
-
-    # Verify the restricted visibility was set
-    expect(updated_msg['message']['restricted_visibility']).to match_array([@random_users[0][:id], @random_users[1][:id]])
-
-    # Verify the custom field was unset
-    expect(updated_msg['message']).not_to include 'custom_field'
-  end
-
   it 'can create draft message' do
     draft_message = { 'text' => 'This is a draft message' }
     response = @channel.create_draft(draft_message, @random_user[:id])