Address flaky test failure on t_invalid_view/1

[jiangphcn]

Overview

Start couch_log to make sure that couch_log_server process exists and is able to write log instead of getting noproc error during test.

  smoosh_server:585: t_invalid_view...*failed*
in function gen_server:call/2 (gen_server.erl, line 206)
in call from couch_log:log/3 (src/couch_log.erl, line 73)
in call from smoosh_server:get_priority/2 (src/smoosh_server.erl, line 329)
in call from smoosh_server:'-t_invalid_view/1-fun-0-'/2 (src/smoosh_server.erl, line 587)
in call from smoosh_server:'-t_invalid_view/1-fun-3-'/2 (src/smoosh_server.erl, line 587)
**exit:{noproc,{gen_server,call,
                    [couch_log_server,
                     {log,{log_entry,warning,<0.32767.3>,
                                     [70,97,105,108,101,100|...],
                                     "--------",
                                     ["2020",45,[[...]|...],45|...]}}]}}
  output:<<"">>

Testing recommendations

make check apps=smoosh
  smoosh_server:520: t_ratio_view...[0.007 s] ok
  smoosh_server:530: t_slack_view...[0.007 s] ok
  smoosh_server:540: t_no_data_view...[0.007 s] ok
  smoosh_server:550: t_below_min_priority_view...[0.007 s] ok
  smoosh_server:560: t_below_min_size_view...[0.007 s] ok
  smoosh_server:570: t_timeout_view...[0.008 s] ok
  smoosh_server:580: t_missing_view...[0.007 s] ok
  smoosh_server:588: t_invalid_view...[0.007 s] ok

Related Issues or Pull Requests

Checklist

• Code is written and works correctly
• Changes are covered by tests
• Any new configurable parameters are documented in rel/overlay/etc/default.ini
• A PR for documentation changes has been made in https://github.com/apache/couchdb-documentation

[davisp]

+1

[davisp]

I killed the build since I just merged to master. I pinged @jiangphcn to update.

[jiangphcn]

rebased and waiting for CI happy to merge :-)