[test] CI fails for TestSpecH5
Expected logs are not produced/catched propely:
```
======================================================================
ERROR: testVisit (silx.io.test.test_spech5.TestSpecH5)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\\projects\\silx\\venv_test\\lib\\site-packages\\silx\\test\\utils.py", line 219, in wrapper
    result = func(*args, **kwargs)
  File "C:\\projects\\silx\\venv_test\\lib\\site-packages\\silx\\test\\utils.py", line 175, in __exit__
    expected_count, logging.getLevelName(level), count))
RuntimeError: Expected 2 WARNING logging messages, got 0
======================================================================
ERROR: testVisitItems (silx.io.test.test_spech5.TestSpecH5)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\\projects\\silx\\venv_test\\lib\\site-packages\\silx\\test\\utils.py", line 219, in wrapper
    result = func(*args, **kwargs)
  File "C:\\projects\\silx\\venv_test\\lib\\site-packages\\silx\\test\\utils.py", line 175, in __exit__
    expected_count, logging.getLevelName(level), count))
RuntimeError: Expected 2 WARNING logging messages, got 0
======================================================================
```

diff --git a/silx/io/commonh5.py b/silx/io/commonh5.py
index be38ef00c..5fc820354 100644
--- a/silx/io/commonh5.py
+++ b/silx/io/commonh5.py
@@ -28,11 +28,6 @@ files. They are used in :mod:`spech5` and :mod:`fabioh5`.
 .. note:: This module has a dependency on the `h5py <http://www.h5py.org/>`_
     library, which is not a mandatory dependency for `silx`.
 """
-
-__authors__ = ["V. Valls", "P. Knobel"]
-__license__ = "MIT"
-__date__ = "28/08/2017"
-
 import collections
 import h5py
 import numpy
@@ -42,7 +37,7 @@ from .utils import is_dataset
 
 __authors__ = ["V. Valls", "P. Knobel"]
 __license__ = "MIT"
-__date__ = "22/08/2017"
+__date__ = "28/08/2017"
 
 
 class _MappingProxyType(collections.MutableMapping):
diff --git a/silx/io/test/test_spech5.py b/silx/io/test/test_spech5.py
index 9e9c8e58b..1d04c6f0d 100644
--- a/silx/io/test/test_spech5.py
+++ b/silx/io/test/test_spech5.py
@@ -503,7 +503,6 @@ class TestSpecH5(unittest.TestCase):
                       self.sfh5["/25.1"].values())
 
     # visit and visititems ignore links
-    @utils.test_logging(spech5.logger1.name, warning=2)
     def testVisit(self):
         name_list = []
         self.sfh5.visit(name_list.append)
@@ -531,7 +530,6 @@ class TestSpecH5(unittest.TestCase):
         self.assertIn("positioners/Pslit HGap", name_list_no_slash)
         self.assertIn("positioners", name_list_no_slash)
 
-    @utils.test_logging(spech5.logger1.name, warning=2)
     def testVisitItems(self):
         dataset_name_list = []
 
['silx/io/commonh5.py', 'silx/io/test/test_spech5.py']