Checking single message when multiple were received still wasn't work…

…ing as expected.

Gemfile

@@ -4,6 +4,7 @@ gemspec
 
 gem ENV['CONCURRENCY'], require: false if ENV.key?('CONCURRENCY')
 gem 'giphy', require: false if ENV.key?('WITH_GIPHY')
+gem 'celluloid-io'
 
 group :test do
   gem 'slack-ruby-danger', '~> 0.1.0', require: false

lib/slack-ruby-bot/rspec/support/slack-ruby-bot/respond_with_slack_message.rb

@@ -13,14 +13,15 @@
 
     allow(Giphy).to receive(:random) if defined?(Giphy)
 
+    allow(client).to receive(:message)
+    message_command.call(client, Hashie::Mash.new(text: message, channel: channel, user: user))
     if expected.is_a? Array
       expected.each do |exp|
-        expect(client).to receive(:message).with(channel: channel, text: exp)
+        expect(client).to have_received(:message).with(channel: channel, text: exp).at_least(:once)
       end
     else
-      expect(client).to receive(:message).with(channel: channel, text: expected).at_least(:once)
+      expect(client).to have_received(:message).with(channel: channel, text: expected)
     end
-    message_command.call(client, Hashie::Mash.new(text: message, channel: channel, user: user))
     true
   end