Remove more fill-value warnings tests.

lib/iris/tests/unit/fileformats/netcdf/saver/test_Saver.py

@@ -34,7 +34,6 @@
 from iris.cube import Cube
 from iris.fileformats.netcdf import Saver, _thread_safe_nc
 import iris.tests.stock as stock
-from iris.warnings import IrisMaskValueMatchWarning
 
 
 class Test_write(tests.IrisTest):
@@ -548,76 +547,6 @@ def test_mask_default_fill_value(self):
             self.assertNotIn("_FillValue", var.ncattrs())
             self.assertTrue(var[index].mask)
 
-    def test_contains_fill_value_passed(self):
-        # Test that a warning is raised if the data contains the fill value.
-        cube = self._make_cube(">f4")
-        fill_value = 1
-        with self.assertWarnsRegex(
-            IrisMaskValueMatchWarning,
-            "contains unmasked data points equal to the fill-value",
-        ):
-            with self._netCDF_var(cube, fill_value=fill_value):
-                pass
-
-    def test_contains_fill_value_byte(self):
-        # Test that a warning is raised if the data contains the fill value
-        # when it is of a byte type.
-        cube = self._make_cube(">i1")
-        fill_value = 1
-        with self.assertWarnsRegex(
-            IrisMaskValueMatchWarning,
-            "contains unmasked data points equal to the fill-value",
-        ):
-            with self._netCDF_var(cube, fill_value=fill_value):
-                pass
-
-    def test_contains_default_fill_value(self):
-        # Test that a warning is raised if the data contains the default fill
-        # value if no fill_value argument is supplied.
-        cube = self._make_cube(">f4")
-        cube.data[0, 0] = _thread_safe_nc.default_fillvals["f4"]
-        with self.assertWarnsRegex(
-            IrisMaskValueMatchWarning,
-            "contains unmasked data points equal to the fill-value",
-        ):
-            with self._netCDF_var(cube):
-                pass
-
-    def test_contains_default_fill_value_byte(self):
-        # Test that no warning is raised if the data contains the default fill
-        # value if no fill_value argument is supplied when the data is of a
-        # byte type.
-        cube = self._make_cube(">i1")
-        with self.assertNoWarningsRegexp(r"\(fill\|mask\)"):
-            with self._netCDF_var(cube):
-                pass
-
-    def test_contains_masked_fill_value(self):
-        # Test that no warning is raised if the data contains the fill_value at
-        # a masked point.
-        fill_value = 1
-        cube = self._make_cube(">f4", masked_value=fill_value)
-        with self.assertNoWarningsRegexp(r"\(fill\|mask\)"):
-            with self._netCDF_var(cube, fill_value=fill_value):
-                pass
-
-    def test_masked_byte_default_fill_value(self):
-        # Test that a warning is raised when saving masked byte data with no
-        # fill value supplied.
-        cube = self._make_cube(">i1", masked_value=1)
-        with self.assertNoWarningsRegexp(r"\(fill\|mask\)"):
-            with self._netCDF_var(cube):
-                pass
-
-    def test_masked_byte_fill_value_passed(self):
-        # Test that no warning is raised when saving masked byte data with a
-        # fill value supplied if the the data does not contain the fill_value.
-        fill_value = 100
-        cube = self._make_cube(">i1", masked_value=2)
-        with self.assertNoWarningsRegexp(r"\(fill\|mask\)"):
-            with self._netCDF_var(cube, fill_value=fill_value):
-                pass
-
 
 class Test_cf_valid_var_name(tests.IrisTest):
     def test_no_replacement(self):