[tracker] (12 commits) ...Merge branch 'wip/carlosg/more-tests' into 'master'

[Sam Thursfield <sthursfield src gnome org>]

Summary of changes:

  b4418cc... libtracker-data: Fix tracker:title-sort (*)
  d153c94... tests: Add test for title sort (*)
  47c2a7f... tests: Add missing tests for SPARQL functions in the tracke (*)
  39da846... libtracker-sparql: Fix introspection annotations (*)
  9342ed8... portal: Add testing envvar to override .flatpak-info (*)
  7121752... portal: Add missing GError in error path (*)
  577e33e... tests: Add functional test infrastructure for portal tests (*)
  0672d18... ci: Ignore example C files in documentation for Coverage (*)
  9b07061... ci: Build detailed HTML Coverage summary in artifacts (*)
  7a45115... tests: Add functional test for tracker-xdg-portal-3 (*)
  1f1528c... tests: Add tests for some builtin SPARQL functions (*)
  4405523... Merge branch 'wip/carlosg/more-tests' into 'master'

(*) This commit already existed in another branch; no separate mail sent