Skip TestConstrainedLoad if data missing (#4319)

* Skip TestConstrainedLoad if data missing

* Updated whats new

* Format class name for readability

Co-authored-by: Bill Little <bill.little@metoffice.gov.uk>

Co-authored-by: Bill Little <bill.little@metoffice.gov.uk>

Author: wjbenfold

docs/src/whatsnew/latest.rst

@@ -104,6 +104,9 @@ This document explains the changes made to Iris for this release
    http://www.nationalarchives.gov.uk/doc/open-government-licence since this
    always works locally, but never within CI. (:pull:`4307`)
 
+#. `@wjbenfold`_ netCDF integration tests now skip ``TestConstrainedLoad`` if
+   test data is missing (:pull:`4319`)
+
 
 #. `@wjbenfold`_ excluded "Good First Issue" labelled issues from being
    marked stale. (:pull:`4317`)

lib/iris/tests/integration/test_netcdf.py

@@ -707,6 +707,7 @@ def test_geostationary_no_false_offsets(self):
         self.assertEqual(cs.false_northing, 0.0)
 
 
+@tests.skip_data
 class TestConstrainedLoad(tests.IrisTest):
     filename = tests.get_data_path(
         ("NetCDF", "label_and_climate", "A1B-99999a-river-sep-2070-2099.nc")