Revert "[Luiza, Vivi] Adding screenshots to the functional tests"

This reverts commit ce9381201e830ecfb89e5fa60df9063dfa0714d3.
Revert "[Luiza, Vivi] Refactoring poll responses tests in order to touch just the UI"

This reverts commit f747bb5d9ce0163dab071f4fc7d796259fdaea7c.