diff --git a/admin/tool/dataprivacy/tests/behat/datadelete.feature b/admin/tool/dataprivacy/tests/behat/datadelete.feature
index 8a1d6bdc936..319ec40217a 100644
--- a/admin/tool/dataprivacy/tests/behat/datadelete.feature
+++ b/admin/tool/dataprivacy/tests/behat/datadelete.feature
@@ -54,6 +54,7 @@ Feature: Data delete from the privacy API
     And I should see "Awaiting approval" in the "Victim User 1" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
     And I follow "Approve request"
+    And I wait until "Approve request" "button" exists
     And I press "Approve request"
     And I should see "Approved" in the "Victim User 1" "table_row"
     And I run all adhoc tasks
@@ -80,6 +81,7 @@ Feature: Data delete from the privacy API
     And I navigate to "Users > Privacy and policies > Data requests" in site administration
     And I open the action menu in "Victim User 1" "table_row"
     And I follow "Approve request"
+    And I wait until "Approve request" "button" exists
     And I press "Approve request"
 
     And I log out
@@ -115,6 +117,7 @@ Feature: Data delete from the privacy API
     And I navigate to "Users > Privacy and policies > Data requests" in site administration
     And I open the action menu in "Victim User 1" "table_row"
     And I follow "Approve request"
+    And I wait until "Approve request" "button" exists
     And I press "Approve request"
 
     And I log out
diff --git a/admin/tool/dataprivacy/tests/behat/dataexport.feature b/admin/tool/dataprivacy/tests/behat/dataexport.feature
index d8796541277..662ccae191b 100644
--- a/admin/tool/dataprivacy/tests/behat/dataexport.feature
+++ b/admin/tool/dataprivacy/tests/behat/dataexport.feature
@@ -48,6 +48,7 @@ Feature: Data export from the privacy API
     And I should see "Awaiting approval" in the "Victim User 1" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
     And I follow "Approve request"
+    And I wait until "Approve request" "button" exists
     And I press "Approve request"
     And I should see "Approved" in the "Victim User 1" "table_row"
     And I run all adhoc tasks
@@ -115,6 +116,7 @@ Feature: Data export from the privacy API
     And I navigate to "Users > Privacy and policies > Data requests" in site administration
     And I open the action menu in "Victim User 1" "table_row"
     And I follow "Approve request"
+    And I wait until "Approve request" "button" exists
     And I press "Approve request"
 
     And I log out
diff --git a/admin/tool/policy/tests/behat/acceptances.feature b/admin/tool/policy/tests/behat/acceptances.feature
index c311811372f..ed2748079e5 100644
--- a/admin/tool/policy/tests/behat/acceptances.feature
+++ b/admin/tool/policy/tests/behat/acceptances.feature
@@ -170,6 +170,7 @@ Feature: Viewing acceptances reports and accepting on behalf of other users
     And I navigate to "Users > Privacy and policies > Manage policies" in site administration
     And I click on "Actions" "link_or_button" in the "This privacy policy" "table_row"
     And I click on "Set status to \"Active\"" "link" in the "This privacy policy" "table_row"
+    And I wait until "Activate" "button" exists
     And I press "Activate"
     And I log out
     When I log in as "manager"
@@ -260,6 +261,7 @@ Feature: Viewing acceptances reports and accepting on behalf of other users
     And I navigate to "Users > Privacy and policies > Manage policies" in site administration
     And I click on "Actions" "link_or_button" in the "This privacy policy" "table_row"
     And I click on "Set status to \"Active\"" "link" in the "This privacy policy" "table_row"
+    And I wait until "Activate" "button" exists
     And I press "Activate"
     And I log out
     When I log in as "manager"
diff --git a/analytics/tests/behat/manage_models.feature b/analytics/tests/behat/manage_models.feature
index 13e721e3275..e01619227ee 100644
--- a/analytics/tests/behat/manage_models.feature
+++ b/analytics/tests/behat/manage_models.feature
@@ -116,6 +116,7 @@ Feature: Manage analytics models
     And I should see "Read actions amount"
     And I click on "Select Student 6 for bulk action" "checkbox" in the "Student 6" "table_row"
     And I click on "Accept" "button"
+    And I wait until "Confirm" "button" exists
     And I click on "Confirm" "button" in the "Accept" "dialogue"
     And I click on "View prediction details" "icon" in the "Student 5" "table_row"
     And I click on "Select Student 5 for bulk action" "checkbox" in the "Student 5" "table_row"
diff --git a/mod/lesson/tests/behat/duplicate_lesson_page.feature b/mod/lesson/tests/behat/duplicate_lesson_page.feature
index b3c2a76e2c8..1fe950c794e 100644
--- a/mod/lesson/tests/behat/duplicate_lesson_page.feature
+++ b/mod/lesson/tests/behat/duplicate_lesson_page.feature
@@ -36,6 +36,7 @@ Feature: In a lesson activity, a teacher can duplicate a lesson page
       | id_answer_editor_1 | Previous page |
       | id_jumpto_1 | Previous page |
     And I click on "Image" "button" in the "Page contents" "form_row"
+    And I wait until "Browse repositories" "button" exists
     And I click on "Browse repositories" "button"
     And I click on "Private files" "link" in the ".fp-repo-area" "css_element"
     And I click on "moodle_logo.jpg" "link"
@@ -70,6 +71,7 @@ Feature: In a lesson activity, a teacher can duplicate a lesson page
       | id_jumpto_1 | This page |
       | id_score_1 | 0 |
     And I click on "Image" "button" in the "//*[@id='id_answer_editor_0']/ancestor::*[@data-fieldtype='editor']" "xpath_element"
+    And I wait until "Browse repositories" "button" exists
     And I click on "Browse repositories" "button"
     And I click on "Private files" "link" in the ".fp-repo-area" "css_element"
     And I click on "moodle_logo.jpg" "link"
@@ -107,6 +109,7 @@ Feature: In a lesson activity, a teacher can duplicate a lesson page
       | id_jumpto_1 | This page |
       | id_score_1 | 0 |
     And I click on "Image" "button" in the "//*[@id='id_response_editor_0']/ancestor::*[@data-fieldtype='editor']" "xpath_element"
+    And I wait until "Browse repositories" "button" exists
     And I click on "Browse repositories" "button"
     And I click on "Private files" "link" in the ".fp-repo-area" "css_element"
     And I click on "moodle_logo.jpg" "link"