Reusable code for domain admin tests

[jacekwegr]

Merged execute_auth and execute_domain_admin functions so both types of admins can use execute_command

[codecov]

Codecov Report

Merging #3740 (6944340) into master (42a04dc) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3740      +/-   ##
==========================================
- Coverage   82.67%   82.64%   -0.04%     
==========================================
  Files         529      529              
  Lines       33947    33947              
==========================================
- Hits        28067    28055      -12     
- Misses       5880     5892      +12     

Impacted Files	Coverage Δ
src/cassandra/mongoose_cassandra.erl	77.77% <0.00%> (-3.71%)	⬇️
src/cassandra/mongoose_cassandra_worker.erl	66.03% <0.00%> (-2.84%)	⬇️
src/mod_muc.erl	74.41% <0.00%> (-0.24%)	⬇️
src/pubsub/mod_pubsub.erl	72.99% <0.00%> (-0.19%)	⬇️
src/mod_muc_room.erl	78.51% <0.00%> (-0.18%)	⬇️
src/mod_muc_log.erl	62.82% <0.00%> (ø)
src/inbox/mod_inbox_rdbms_async.erl	72.05% <0.00%> (ø)
src/ejabberd.erl	55.00% <0.00%> (+10.00%)	⬆️

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[mongoose-im]

small_tests_24 / small_tests / 6944340
Reports root / small

---

small_tests_25 / small_tests / 6944340
Reports root / small

---

dynamic_domains_pgsql_mnesia_24 / pgsql_mnesia / 6944340
Reports root/ big
OK: 3554 / Failed: 0 / User-skipped: 88 / Auto-skipped: 0

---

ldap_mnesia_24 / ldap_mnesia / 6944340
Reports root/ big
OK: 1941 / Failed: 0 / User-skipped: 529 / Auto-skipped: 0

---

dynamic_domains_pgsql_mnesia_25 / pgsql_mnesia / 6944340
Reports root/ big
OK: 3554 / Failed: 0 / User-skipped: 88 / Auto-skipped: 0

---

ldap_mnesia_25 / ldap_mnesia / 6944340
Reports root/ big
OK: 1941 / Failed: 0 / User-skipped: 529 / Auto-skipped: 0

---

dynamic_domains_mysql_redis_25 / mysql_redis / 6944340
Reports root/ big
OK: 3537 / Failed: 0 / User-skipped: 105 / Auto-skipped: 0

---

dynamic_domains_mssql_mnesia_25 / odbc_mssql_mnesia / 6944340
Reports root/ big
OK: 3554 / Failed: 0 / User-skipped: 88 / Auto-skipped: 0

---

internal_mnesia_25 / internal_mnesia / 6944340
Reports root/ big
OK: 2062 / Failed: 0 / User-skipped: 408 / Auto-skipped: 0

---

pgsql_mnesia_24 / pgsql_mnesia / 6944340
Reports root/ big
OK: 3928 / Failed: 0 / User-skipped: 97 / Auto-skipped: 0

---

elasticsearch_and_cassandra_25 / elasticsearch_and_cassandra_mnesia / 6944340
Reports root/ big
OK: 2402 / Failed: 0 / User-skipped: 403 / Auto-skipped: 0

---

pgsql_mnesia_25 / pgsql_mnesia / 6944340
Reports root/ big
OK: 3928 / Failed: 0 / User-skipped: 97 / Auto-skipped: 0

---

mssql_mnesia_25 / odbc_mssql_mnesia / 6944340
Reports root/ big
OK: 3928 / Failed: 0 / User-skipped: 97 / Auto-skipped: 0

---

mysql_redis_25 / mysql_redis / 6944340
Reports root/ big
OK: 3923 / Failed: 0 / User-skipped: 102 / Auto-skipped: 0

---

riak_mnesia_24 / riak_mnesia / 6944340
Reports root/ big
OK: 2241 / Failed: 0 / User-skipped: 396 / Auto-skipped: 0

[chrzaszcz]

Looks good 👍