[librsvg] (15 commits) ...Merge branch 'svenfoo/librsvg-test-rsvg-convert'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  dadd8eb... tests: Add infrastructure to test the rust-convert command-
  8ec0ede... tests: Fix CI run where srcdir != builddir
  eb1e5cf... tests: Add test for rsvg-convert --help
  249d9f4... tests: Add predicate to check the size of the generated PNG
  d9b7a6f... tests: Add tests for rsvg-convert output size options
  3cf5a1c... tests: List more rsvg-convert features that should be teste
  cc2d740... tests: Add tests for rsvg-convert resolution options
  f07b3c9... tests: Add tests for other output formats of rsvg-convert
  c280ecd... tests: Use existing SVG for rsvg-convert size tests
  c9b7c1c... tests: Improve PDF tests for rsvg-convert using the lopdf c
  b21b06a... tests: Add tests for rsvg-convert setting the PDF CreationD
  494eeb0... tests: Add tests for some more rsvg-convert options
  9a350f2... tests: Add tests for rsvg-convert output option
  3043dcb... Cargo update
  d090e37... Merge branch 'svenfoo/librsvg-test-rsvg-convert'