raise an error in tests if sub-classes of ActionMenuItem has no name
raise an error in tests if sub-classes of ActionMenuItem has no name

nimasmi/wagtail,timorieber/wagtail,zerolab/wagtail,kaedroho/wagtail,mikedingjan/wagtail,takeflight/wagtail,zerolab/wagtail,nealtodd/wagtail,wagtail/wagtail,nealtodd/wagtail,mikedingjan/wagtail,mixxorz/wagtail,rsalmaso/wagtail,mixxorz/wagtail,timorieber/wagtail,mikedingjan/wagtail,wagtail/wagtail,kaedroho/wagtail,kaedroho/wagtail,FlipperPA/wagtail,jnns/wagtail,jnns/wagtail,takeflight/wagtail,thenewguy/wagtail,FlipperPA/wagtail,rsalmaso/wagtail,FlipperPA/wagtail,timorieber/wagtail,gasman/wagtail,takeflight/wagtail,mikedingjan/wagtail,torchbox/wagtail,gasman/wagtail,zerolab/wagtail,thenewguy/wagtail,jnns/wagtail,timorieber/wagtail,torchbox/wagtail,nealtodd/wagtail,mixxorz/wagtail,takeflight/wagtail,jnns/wagtail,wagtail/wagtail,FlipperPA/wagtail,nimasmi/wagtail,kaedroho/wagtail,wagtail/wagtail,thenewguy/wagtail,gasman/wagtail,kaedroho/wagtail,torchbox/wagtail,nimasmi/wagtail,wagtail/wagtail,rsalmaso/wagtail,rsalmaso/wagtail,thenewguy/wagtail,thenewguy/wagtail,zerolab/wagtail,gasman/wagtail,gasman/wagtail,nimasmi/wagtail,rsalmaso/wagtail,torchbox/wagtail,mixxorz/wagtail,zerolab/wagtail,mixxorz/wagtail,nealtodd/wagtail