Created the method is_argument_available that checks if an argument is...

Created the method is_argument_available that checks if an argument is available for certain method. provided both python2 and python3 implementations

Used the new method is_argument_available

Used the new method is_argument_available

Improved the test cases
4 jobs for meta-information in 22 minutes and 45 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Build
passed #124965
docker
build_linux_27

00:19:52

89.0%
passed #124966
docker
build_linux_36

00:17:36

89.0%
passed #124967
macosx
build_macosx_27

00:22:45

90.0%
passed #124968
macosx
build_macosx_36

00:22:42

90.0%