fs/testing: added test for internal file pointer closing
fs/testing: added test for internal file pointer closing

firebitsbr/tsuru,RichardKnop/tsuru,gciotta/tsuru,RichardKnop/tsuru,cezarsa/tsuru,tuxmonteiro/tsuru,Endika/tsuru,guilhermebr/tsuru,guilhermebr/tsuru,hcxiong/tsuru,mderaldo/tsuru,gciotta/tsuru,firebitsbr/tsuru,tsuru/tsuru,firebitsbr/tsuru,gciotta/tsuru,Endika/tsuru,cgvarela/tsuru,gwmoura/tsuru,kgrvamsi/tsuru,gwmoura/tsuru,ggarnier/tsuru,tuxmonteiro/tsuru,ggarnier/tsuru,mderaldo/tsuru,kgrvamsi/tsuru,ArxdSilva/tsuru,tsuru/tsuru,4eek/tsuru,guilhermebr/tsuru,4eek/tsuru,jblancett/tsuru,jblancett/tsuru,guilhermebr/tsuru,hcxiong/tsuru,ggarnier/tsuru,tsuru/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,mderaldo/tsuru,jblancett/tsuru,RichardKnop/tsuru,gwmoura/tsuru,cgvarela/tsuru,cezarsa/tsuru,cezarsa/tsuru,tuxmonteiro/tsuru,hcxiong/tsuru,cgvarela/tsuru,ArxdSilva/tsuru,tsuru/tsuru,hugoantunes/tsuru,cezarsa/tsuru,kgrvamsi/tsuru,ArxdSilva/tsuru,hugoantunes/tsuru,4eek/tsuru,Endika/tsuru