test/integration: clarify namespace utilities
test/integration: clarify namespace utilities

For a developer that's not very familiar with the integration flow, it
is very surprising to see that the namespace creation logic does not
create anything and that the namespace deletion logic does not delete
anything, either.

Signed-off-by: Steve Kuznetsov <a7da0fca91d9933d2725d731a48cabdc9e8ffd7a@redhat.com>

jessfraz/kubernetes,carlory/kubernetes,rrati/kubernetes,MikeSpreitzer/kubernetes,warmchang/kubernetes,feiskyer/kubernetes,cblecker/kubernetes,k82cn/kubernetes,aledbf/kubernetes,PiotrProkop/kubernetes,csrwng/kubernetes,warmchang/kubernetes,olivierlemasle/kubernetes,ravilr/kubernetes,kevin-wangzefeng/kubernetes,chestack/kubernetes,GulajavaMinistudio/kubernetes,deads2k/kubernetes,chestack/kubernetes,mosoft521/kubernetes,jackfrancis/kubernetes,ping035627/kubernetes,dixudx/kubernetes,jingxu97/kubernetes,csrwng/kubernetes,matthyx/kubernetes,li-ang/kubernetes,zhangmingld/kubernetes,zhangmingld/kubernetes,ii/kubernetes,tengqm/kubernetes,liggitt/kubernetes,BenTheElder/kubernetes,mkumatag/kubernetes,enj/kubernetes,ravilr/kubernetes,zhangmingld/kubernetes,enj/kubernetes,carlory/kubernetes,soltysh/kubernetes,mahak/kubernetes,lojies/kubernetes,ping035627/kubernetes,iameli/kubernetes,ravilr/kubernetes,enj/kubernetes,lojies/kubernetes,mengqiy/kubernetes,jessfraz/kubernetes,jingxu97/kubernetes,kubernetes/kubernetes,chestack/kubernetes,GulajavaMinistudio/kubernetes,rnaveiras/kubernetes,aledbf/kubernetes,soltysh/kubernetes,aledbf/kubernetes,liggitt/kubernetes,zhouhaibing089/kubernetes,rnaveiras/kubernetes,olivierlemasle/kubernetes,rnaveiras/kubernetes,jackfrancis/kubernetes,aledbf/kubernetes,ping035627/kubernetes,alejandroEsc/kubernetes,mosoft521/kubernetes,k82cn/kubernetes,jingxu97/kubernetes,shyamjvs/kubernetes,kevin-wangzefeng/kubernetes,k82cn/kubernetes,rrati/kubernetes,ii/kubernetes,enj/kubernetes,mengqiy/kubernetes,deads2k/kubernetes,k82cn/kubernetes,tengqm/kubernetes,carlory/kubernetes,GulajavaMinistudio/kubernetes,shyamjvs/kubernetes,dims/kubernetes,openshift/kubernetes,BenTheElder/kubernetes,ii/kubernetes,PiotrProkop/kubernetes,olivierlemasle/kubernetes,gnufied/kubernetes,matthyx/kubernetes,thockin/kubernetes,rnaveiras/kubernetes,tengqm/kubernetes,feiskyer/kubernetes,thockin/kubernetes,feiskyer/kubernetes,kubernetes/kubernetes,csrwng/kubernetes,gnufied/kubernetes,kubernetes/kubernetes,zhouhaibing089/kubernetes,zhouhaibing089/kubernetes,mengqiy/kubernetes,PiotrProkop/kubernetes,feiskyer/kubernetes,thockin/kubernetes,cblecker/kubernetes,mengqiy/kubernetes,thockin/kubernetes,ping035627/kubernetes,jsafrane/kubernetes,feiskyer/kubernetes,dims/kubernetes,kubernetes/kubernetes,mkumatag/kubernetes,openshift/kubernetes,aledbf/kubernetes,lojies/kubernetes,jessfraz/kubernetes,alejandroEsc/kubernetes,mahak/kubernetes,jingxu97/kubernetes,deads2k/kubernetes,PiotrProkop/kubernetes,MikeSpreitzer/kubernetes,BenTheElder/kubernetes,deads2k/kubernetes,csrwng/kubernetes,mahak/kubernetes,matthyx/kubernetes,matthyx/kubernetes,verb/kubernetes,mkumatag/kubernetes,tengqm/kubernetes,matthyx/kubernetes,openshift/kubernetes,liggitt/kubernetes,ii/kubernetes,jackfrancis/kubernetes,carlory/kubernetes,rnaveiras/kubernetes,verb/kubernetes,kevin-wangzefeng/kubernetes,alejandroEsc/kubernetes,dixudx/kubernetes,openshift/kubernetes,olivierlemasle/kubernetes,mahak/kubernetes,bparees/kubernetes,deads2k/kubernetes,jessfraz/kubernetes,kubernetes/kubernetes,alejandroEsc/kubernetes,chestack/kubernetes,gnufied/kubernetes,mahak/kubernetes,gnufied/kubernetes,alejandroEsc/kubernetes,mkumatag/kubernetes,lojies/kubernetes,carlory/kubernetes,soltysh/kubernetes,thockin/kubernetes,GulajavaMinistudio/kubernetes,MikeSpreitzer/kubernetes,dixudx/kubernetes,iameli/kubernetes,shyamjvs/kubernetes,bparees/kubernetes,MikeSpreitzer/kubernetes,gnufied/kubernetes,rrati/kubernetes,PiotrProkop/kubernetes,soltysh/kubernetes,li-ang/kubernetes,jackfrancis/kubernetes,enj/kubernetes,cblecker/kubernetes,shyamjvs/kubernetes,ravilr/kubernetes,kevin-wangzefeng/kubernetes,jsafrane/kubernetes,mosoft521/kubernetes,zhangmingld/kubernetes,dims/kubernetes,jsafrane/kubernetes,tengqm/kubernetes,olivierlemasle/kubernetes,verb/kubernetes,BenTheElder/kubernetes,mosoft521/kubernetes,zhouhaibing089/kubernetes,bparees/kubernetes,iameli/kubernetes,jessfraz/kubernetes,mengqiy/kubernetes,cblecker/kubernetes,bparees/kubernetes,jsafrane/kubernetes,warmchang/kubernetes,zhouhaibing089/kubernetes,zhangmingld/kubernetes,mosoft521/kubernetes,kevin-wangzefeng/kubernetes,bparees/kubernetes,chestack/kubernetes,li-ang/kubernetes,GulajavaMinistudio/kubernetes,li-ang/kubernetes,dixudx/kubernetes,k82cn/kubernetes,openshift/kubernetes,lojies/kubernetes,dixudx/kubernetes,cblecker/kubernetes,BenTheElder/kubernetes,iameli/kubernetes,liggitt/kubernetes,iameli/kubernetes,soltysh/kubernetes,liggitt/kubernetes,shyamjvs/kubernetes,ping035627/kubernetes,warmchang/kubernetes,csrwng/kubernetes,ii/kubernetes,ravilr/kubernetes,jingxu97/kubernetes,warmchang/kubernetes,dims/kubernetes,mkumatag/kubernetes,zhangmingld/kubernetes,jackfrancis/kubernetes,li-ang/kubernetes,rrati/kubernetes,rrati/kubernetes,verb/kubernetes,verb/kubernetes,dims/kubernetes,MikeSpreitzer/kubernetes,jsafrane/kubernetes