Use concrete EMS for testing providers api
Use concrete EMS for testing providers api

The API now returns emstype_description which is not available for base
class ExtManagementSystem.

Addressing:
undefined method `description' for #<Class:0x0056318fc517c0>
  lib/active_record/dynamic_matchers.rb:21:in `method_missing',
  app/models/ext_management_system.rb:338:in `emstype_description'

branic/manageiq,gmcculloug/manageiq,romaintb/manageiq,KevinLoiseau/manageiq,durandom/manageiq,mzazrivec/manageiq,yaacov/manageiq,kbrock/manageiq,yaacov/manageiq,josejulio/manageiq,jvlcek/manageiq,jameswnl/manageiq,djberg96/manageiq,mfeifer/manageiq,romanblanco/manageiq,tinaafitz/manageiq,fbladilo/manageiq,romanblanco/manageiq,billfitzgerald0120/manageiq,romaintb/manageiq,KevinLoiseau/manageiq,branic/manageiq,syncrou/manageiq,NickLaMuro/manageiq,borod108/manageiq,gerikis/manageiq,romanblanco/manageiq,NickLaMuro/manageiq,borod108/manageiq,skateman/manageiq,ManageIQ/manageiq,jrafanie/manageiq,mresti/manageiq,andyvesel/manageiq,jvlcek/manageiq,NickLaMuro/manageiq,jrafanie/manageiq,matobet/manageiq,tinaafitz/manageiq,lpichler/manageiq,d-m-u/manageiq,ilackarms/manageiq,josejulio/manageiq,syncrou/manageiq,mkanoor/manageiq,jrafanie/manageiq,billfitzgerald0120/manageiq,tzumainn/manageiq,NaNi-Z/manageiq,fbladilo/manageiq,romaintb/manageiq,NaNi-Z/manageiq,andyvesel/manageiq,pkomanek/manageiq,ailisp/manageiq,d-m-u/manageiq,djberg96/manageiq,jntullo/manageiq,durandom/manageiq,aufi/manageiq,tinaafitz/manageiq,KevinLoiseau/manageiq,skateman/manageiq,ManageIQ/manageiq,hstastna/manageiq,KevinLoiseau/manageiq,branic/manageiq,andyvesel/manageiq,ManageIQ/manageiq,maas-ufcg/manageiq,mresti/manageiq,maas-ufcg/manageiq,lpichler/manageiq,israel-hdez/manageiq,d-m-u/manageiq,gmcculloug/manageiq,yaacov/manageiq,romaintb/manageiq,branic/manageiq,syncrou/manageiq,israel-hdez/manageiq,djberg96/manageiq,mresti/manageiq,jntullo/manageiq,tzumainn/manageiq,billfitzgerald0120/manageiq,agrare/manageiq,agrare/manageiq,jameswnl/manageiq,jrafanie/manageiq,KevinLoiseau/manageiq,ManageIQ/manageiq,pkomanek/manageiq,d-m-u/manageiq,gerikis/manageiq,israel-hdez/manageiq,mzazrivec/manageiq,juliancheal/manageiq,kbrock/manageiq,skateman/manageiq,ilackarms/manageiq,KevinLoiseau/manageiq,hstastna/manageiq,maas-ufcg/manageiq,matobet/manageiq,ailisp/manageiq,gerikis/manageiq,NaNi-Z/manageiq,mzazrivec/manageiq,agrare/manageiq,kbrock/manageiq,chessbyte/manageiq,fbladilo/manageiq,maas-ufcg/manageiq,NaNi-Z/manageiq,djberg96/manageiq,jameswnl/manageiq,aufi/manageiq,pkomanek/manageiq,yaacov/manageiq,matobet/manageiq,mfeifer/manageiq,tzumainn/manageiq,mfeifer/manageiq,chessbyte/manageiq,romaintb/manageiq,borod108/manageiq,fbladilo/manageiq,gerikis/manageiq,pkomanek/manageiq,israel-hdez/manageiq,matobet/manageiq,skateman/manageiq,durandom/manageiq,romaintb/manageiq,mkanoor/manageiq,NickLaMuro/manageiq,juliancheal/manageiq,ilackarms/manageiq,ailisp/manageiq,jvlcek/manageiq,tzumainn/manageiq,juliancheal/manageiq,jvlcek/manageiq,mkanoor/manageiq,josejulio/manageiq,tinaafitz/manageiq,billfitzgerald0120/manageiq,chessbyte/manageiq,lpichler/manageiq,durandom/manageiq,syncrou/manageiq,mfeifer/manageiq,maas-ufcg/manageiq,lpichler/manageiq,josejulio/manageiq,chessbyte/manageiq,romanblanco/manageiq,maas-ufcg/manageiq,ailisp/manageiq,kbrock/manageiq,jntullo/manageiq,gmcculloug/manageiq,aufi/manageiq,mzazrivec/manageiq,hstastna/manageiq,ilackarms/manageiq,hstastna/manageiq,mresti/manageiq,agrare/manageiq,jntullo/manageiq,andyvesel/manageiq,jameswnl/manageiq,gmcculloug/manageiq,mkanoor/manageiq,borod108/manageiq,juliancheal/manageiq,aufi/manageiq