Improve tests (robotframework#1138)

Improving test for click element and for mouse over.

Author: aaltat

atest/acceptance/keywords/click_element.robot

@@ -21,6 +21,16 @@ Click Element Error
  [Setup] Go To Page "javascript/click.html"
  Click Element id:äääääää
 
+Click Element Error 2
+ [Documentation] FAIL Element with locator 'id:鱼鱼鱼鱼' not found.
+ [Setup] Go To Page "javascript/click.html"
+ Click Element id:鱼鱼鱼鱼
+
+Click Element Error 3
+ [Documentation] FAIL Element with locator '鱼在天空中飞翔' not found.
+ [Setup] Go To Page "javascript/click.html"
+ Click Element 鱼在天空中飞翔
+
 Double Click Element Error
  [Documentation] FAIL Element with locator 'id:öööö' not found.
  [Setup] Go To Page "javascript/click.html"

atest/acceptance/keywords/mouse.robot

@@ -13,6 +13,14 @@ Mouse Over
  ... Element with locator 'not_there' not found.
  ... Mouse Over not_there
 
+Mouse Over Error
+ [Tags] Known Issue Safari
+ Mouse Over el_for_mouseover
+ Textfield Value Should Be el_for_mouseover mouseover el_for_mouseover
+ Run Keyword And Expect Error
+ ... Element with locator '鱼在天空中飞翔' not found.
+ ... Mouse Over 鱼在天空中飞翔
+
 Mouse Out
  [Tags] Known Issue Safari
  Mouse Out el_for_mouseout