Increase coverage for MiqExpression#to_ruby
Increase coverage for MiqExpression#to_ruby

Expanding the case statement in `#to_ruby` reveals that we lack coverage
for the <, <= and != operators, so adding these specs.

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