[librsvg/rustify-rsvg-convert: 6/6] Merge branch 'refactor-test-utils' into 'rustify-rsvg-convert'

[Federico Mena Quintero <federico src gnome org>]

commit 090e29215301cf79c09eb5e5db2209992ec31065
Merge: f45a92a8 127a9451
Author: Federico Mena Quintero <federico mena gmail com>
Date:   Tue Jan 26 18:22:03 2021 +0000

    Merge branch 'refactor-test-utils' into 'rustify-rsvg-convert'
    
    Refactor test utils and add test for background color
    
    See merge request GNOME/librsvg!461

 Makefile.am                                |   1 -
 src/lib.rs                                 |   1 -
 src/surface_utils/compare_surfaces.rs      |  24 +-
 src/test_utils.rs                          | 162 -----
 tests/Makefile.am                          |   3 +
 tests/fixtures/cmdline/gimp-wilber-ref.png | Bin 0 -> 2503 bytes
 tests/fixtures/cmdline/gimp-wilber.svg     | 978 +++++++++++++++++++++++++++++
 tests/src/api.rs                           |  25 +-
 tests/src/bugs.rs                          |  52 +-
 tests/src/cmdline/rsvg_convert.rs          |  11 +-
 tests/src/intrinsic_dimensions.rs          |  53 +-
 tests/src/main.rs                          |   3 +
 tests/src/predicates/png.rs                |  96 +++
 tests/src/primitives.rs                    |  60 +-
 tests/src/reference.rs                     |   6 +-
 tests/src/reference_utils.rs               | 182 ++++++
 16 files changed, 1365 insertions(+), 292 deletions(-)
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