Change getIdByArguments visibility to public. Update RawTqContext method hint to include getNodeContext method

IMPROVEMENT: wrap the getDrupalText() method in t() to ensure that we will get translated textual selectors

Improved DatePicker utility. Added possibility check the date in field after reloading the page, added additional TODO for found issue

Re-worked the "I should be redirected(| on <PAGE>)". Reduce time for waiting and better URL handling

Added steps: "I pick the following:", "I check that <FIELD> field has(| not) <VALUE> value", "I check that <VALUE> is(| not) selected in <FIELD> select", "I check that <FIELD> is(| not) checked"