Disable webp tests for now

```
======================================================================
ERROR: test_all_parametred (tests.test_libmat2.TestCleaning.test_all_parametred) (case={'name': 'webp', 'parser': <class 'libmat2.images.WEBPParser'>, 'meta': {'Warning': '[minor] Improper EXIF header'}, 'expected_meta': {}})
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/builds/jvoisin/mat2/libmat2/images.py", line 109, in __init__
    GdkPixbuf.Pixbuf.new_from_file(self.filename)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
gi.repository.GLib.GError: gdk-pixbuf-error-quark: Couldn’t recognize the image file format for file “./tests/data/clean.webp” (3)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/builds/jvoisin/mat2/tests/test_libmat2.py", line 557, in test_all_parametred
    p1 = case['parser'](target)
  File "/builds/jvoisin/mat2/libmat2/images.py", line 111, in __init__
    raise ValueError
ValueError
```

Pending on https://0xacab.org/georg/mat2-ci-images/-/issues/14

1 files changed, 5 insertions, 5 deletions

diff --git a/tests/test_lightweight_cleaning.py b/tests/test_lightweight_cleaning.py
index 9b33df4..4f3ce50 100644
--- a/tests/test_lightweight_cleaning.py
+++ b/tests/test_lightweight_cleaning.py
@@ -23,11 +23,11 @@ class TestLightWeightCleaning(unittest.TestCase):
                 'parser': images.JPGParser,
                 'meta': {'Comment': 'Created with GIMP'},
                 'expected_meta': {},
-            }, {
-                'name': 'webp',
-                'parser': images.WEBPParser,
-                'meta': {'Warning': '[minor] Improper EXIF header'},
-                'expected_meta': {},
+            #}, {
+            #    'name': 'webp',
+            #    'parser': images.WEBPParser,
+            #    'meta': {'Warning': '[minor] Improper EXIF header'},
+            #    'expected_meta': {},
             }, {
                 'name': 'torrent',
                 'parser': torrent.TorrentParser,