diff --git a/test/browser/form_test.rb b/test/browser/form_test.rb
index 332d82c70..2a08af50d 100644
--- a/test/browser/form_test.rb
+++ b/test/browser/form_test.rb
@@ -145,6 +145,7 @@ class FormTest < TestCase
       browser: customer,
       css: 'body div.modal .js-close',
     )
+    sleep 1
     exists_not(
       browser: customer,
       css: 'body div.modal',
@@ -246,6 +247,7 @@ class FormTest < TestCase
       browser: customer,
       css: 'body div.modal .js-close',
     )
+    sleep 1
     exists_not(
       browser: customer,
       css: 'body div.modal',
diff --git a/test/integration/twitter_browser_test.rb b/test/integration/twitter_browser_test.rb
index 21a11328e..9a0021c7f 100644
--- a/test/integration/twitter_browser_test.rb
+++ b/test/integration/twitter_browser_test.rb
@@ -187,7 +187,7 @@ class TwitterBrowserTest < TestCase
     )
 
     # wait till new streaming of channel is active
-    sleep 50
+    sleep 60
 
     # start tweet from customer
     client = Twitter::REST::Client.new do |config|
@@ -216,7 +216,7 @@ class TwitterBrowserTest < TestCase
     watch_for(
       css: '.content.active',
       value: hash,
-      timeout: 24,
+      timeout: 36,
     )
 
     ticket_open_by_title(
diff --git a/test/integration/twitter_test.rb b/test/integration/twitter_test.rb
index b8f6337df..9bd921828 100644
--- a/test/integration/twitter_test.rb
+++ b/test/integration/twitter_test.rb
@@ -185,7 +185,7 @@ class TwitterTest < ActiveSupport::TestCase
     )
 
     # fetch check system account
-    sleep 15
+    sleep 20
     article = nil
     (1..3).each {
       Channel.fetch
@@ -193,7 +193,7 @@ class TwitterTest < ActiveSupport::TestCase
       # check if ticket and article has been created
       article = Ticket::Article.find_by(message_id: tweet.id)
       break if article
-      sleep 15
+      sleep 20
     }
     assert(article)
     assert_equal('@me_bauer', article.from, 'ticket article from')