write a code for addition test case of asus calculator for the desired capabilites

desired_caps['platformName'] = 'Android'

desired_caps['deviceName'] = 'Pixel XL API 33'

desired_caps['appPackage'] = 'com.asus.calculator'

desired_caps['appActivity'] = 'com.asus.calculator.Calculator' if the testcase gets failed the output of each and every line should turn into red colour and bold by using appium server so all changes of red colour text should be done on one html file after everything is done that should be saved in logfile.html If I open the logfile.html the text errors of each and every line should turn in to red and bold I need a detailed code