invoking echoString...
successful
Test transport property accessors
First transport key = Accept-Language
First transport value =  da, en-gb;q=0.8, en;q=0.7
Next transport key = Accept-Language1
Next transport value =  da, en-gb;q=0.8, en;q=0.7
Next transport key = Accept-Language2
Next transport value = lang2
Next transport key = Accept-Language3
Next transport value = lang3
Next transport key = Content-Length
Next transport value = 405
successful
HTTP Header test end