diff --git a/question/type/ddimageortext/tests/behat/preview.feature b/question/type/ddimageortext/tests/behat/preview.feature
index 6f0b7238797..e7966d59381 100644
--- a/question/type/ddimageortext/tests/behat/preview.feature
+++ b/question/type/ddimageortext/tests/behat/preview.feature
@@ -24,7 +24,7 @@ Feature: Preview a drag-drop onto image question
     And I follow "Course 1"
     And I navigate to "Question bank" node in "Course administration"
 
-  @javascript
+  @javascript @_bug_phantomjs
   Scenario: Preview a question using the mouse.
     When I click on "Preview" "link" in the "Drag onto image" "table_row"
     And I switch to "questionpreview" window
diff --git a/question/type/ddmarker/tests/behat/preview.feature b/question/type/ddmarker/tests/behat/preview.feature
index fbe9076a0c5..44bf8924811 100644
--- a/question/type/ddmarker/tests/behat/preview.feature
+++ b/question/type/ddmarker/tests/behat/preview.feature
@@ -24,7 +24,7 @@ Feature: Preview a drag-drop onto image question
     And I follow "Course 1"
     And I navigate to "Question bank" node in "Course administration"
 
-  @javascript
+  @javascript @_bug_phantomjs
   Scenario: Preview a question using the mouse.
     When I click on "Preview" "link" in the "Drag markers" "table_row"
     And I switch to "questionpreview" window
diff --git a/question/type/ddwtos/tests/behat/preview.feature b/question/type/ddwtos/tests/behat/preview.feature
index 82baa16dbb7..24303da4357 100644
--- a/question/type/ddwtos/tests/behat/preview.feature
+++ b/question/type/ddwtos/tests/behat/preview.feature
@@ -24,7 +24,7 @@ Feature: Preview a drag-drop into text question
     And I follow "Course 1"
     And I navigate to "Question bank" node in "Course administration"
 
-  @javascript
+  @javascript @_bug_phantomjs
   Scenario: Preview a question using the mouse.
     When I click on "Preview" "link" in the "Drag to text" "table_row"
     And I switch to "questionpreview" window