Modified test for median filter import

skimage/filters/tests/test_filter_import.py

@@ -1,6 +1,5 @@
 from warnings import catch_warnings, simplefilter
 
-from skimage.filters import median
 
 def test_filter_import():
     with catch_warnings():

skimage/filters/tests/test_median.py

@@ -0,0 +1,2 @@
+def test_median_in_filters():
+    from skimage.filters import median