app: add test for custom error types
app: add test for custom error types

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