Fixed test.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

tests/test_geoarray.py

@@ -147,8 +147,7 @@ class Test_GeoArray(TestCase):
             GeoArray(np.array([1, 2]).astype(np.uint8), nodata=256)
 
         # test float nodata value together with integer array data type
-        with self.assertRaises(ValueError):
-            GeoArray(np.array([1, 2]).astype(np.uint8), nodata=0.)
+        GeoArray(np.array([1, 2]).astype(np.uint8), nodata=0.)
 
     @parameterized.expand(_get_gA_inMem_notInMem())
     def test_calc_mask_nodata(self, _, gA):