verify_counter_converge should retry on not found [JIRA: RIAK-1911] #807
Description
Seeing occasional test failures where the request gets a not found and counts it as a failure, instead of retrying.
{{badmatch,{error,{ok,"404",
[{"Server","MochiWeb/1.1 WebMachine/1.10.6 (no drinks)"},
{"Date","Sat, 27 Jun 2015 19:46:54 GMT"},
{"Content-Type","text/plain"},
{"Content-Length","10"}],
<<"not found\n">>}}},
[{verify_counter_converge,get_counter,2,
[{file,"tests/verify_counter_converge.erl"},
{line,95}]},
{verify_counter_converge,'-confirm/0-fun-4-',2,
[{file,"tests/verify_counter_converge.erl"},
{line,60}]},
{verify_counter_converge,'-confirm/0-lc$^4/1-4-',1,
[{file,"tests/verify_counter_converge.erl"},
{line,60}]},
{verify_counter_converge,confirm,0,
[{file,"tests/verify_counter_converge.erl"},
{line,60}]},
{riak_test_runner,return_to_exit,3,
[{file,"src/riak_test_runner.erl"},{line,159}]}]}