Fix typo in run_tests.py (#799)
Fix typo in run_tests.py (#799)

Spell 'supported' correctly on line 229
emanlove/robotframework-selenium2library,emanlove/robotframework-selenium2library,HelioGuilherme66/robotframework-selenium2library,rtomac/robotframework-selenium2library,rtomac/robotframework-selenium2library,HelioGuilherme66/robotframework-selenium2library,HelioGuilherme66/robotframework-selenium2library,SergiuTudos/Selenium2Library,SergiuTudos/Selenium2Library,emanlove/robotframework-selenium2library,robotframework/SeleniumLibrary,robotframework/SeleniumLibrary,rtomac/robotframework-selenium2library,robotframework/SeleniumLibrary,SergiuTudos/Selenium2Library