[PostGIS] #5566: Add CI testing under sandboxed system

[PostGIS]

#5566: Add CI testing under sandboxed system
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  Reporter:  strk          |      Owner:  robe
      Type:  task          |     Status:  new
  Priority:  medium        |  Milestone:  Website Management, Bots
 Component:  QA/buildbots  |    Version:
Resolution:                |   Keywords:  pgextwlist
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Comment (by Sandro Santilli <strk@…>):

 In [changeset:"5739cacd977d4917805a4485fa5f6b38dfce4d9a/git"
 5739cacd/git]:
 {{{#!CommitTicketReference repository="git"
 revision="5739cacd977d4917805a4485fa5f6b38dfce4d9a"
 run_test.pl: add POSTGIS_REGRESS_DB_OWNER env support

 Allows specifying a DB role to be given ownership of the regress
 database and be used to create extension of POSTGIS_REGRESS_EXT_CREATOR
 is not also provided to override that.

 References #5212
 References #5566
 References #5567
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5566#comment:5>
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