Behat Selenium media browser i-frame test cannot process : Error - element is not visible

i cannot proceed with my behat test selenium throw error : element is not visible in this case : And I switch to iframe "mediaBrowser" Then I click on the text "Web"

Buuut if i put one line between both "And I break and" all work perfect without any error.

Working case :

And I switch to iframe "mediaBrowser" And I break Then I click on the text "Web"

Please help me to fix this bug if possible.