using em_stream in examples to DRY up specs
using em_stream in examples to DRY up specs

ambrish123456/testSlanger,jiren/slanger,carlos-ramos-mojix-com/slanger,markburns/slanger,amvse/slanger,notnoopci/slanger,stevegraham/slanger,ambrish123456/testSlanger,notnoopci/slanger,loggator/slanger,jiren/slanger,loggator/slanger,shaicoleman/slanger,carlos-ramos-mojix-com/slanger,daande/slanger,daande/slanger,shaicoleman/slanger,markburns/slanger,amvse/slanger,stevegraham/slanger