aded back in tests (w/o assert facetgrid lines)

Author: jukent

cf_xarray/tests/test_accessor.py

@@ -294,10 +294,20 @@ def test_dataarray_plot(obj):
     assert isinstance(rv, mpl.contour.QuadContourSet)
     plt.close()
 
+    rv = obj.cf.plot(x="X", y="Y", col="T")
+    plt.close()
+
+    rv = obj.cf.plot.contourf(x="X", y="Y", col="T")
+    plt.close()
+
     rv = obj.isel(lat=[0, 1], lon=1).cf.plot.line(x="T", hue="Y")
     assert all([isinstance(line, mpl.lines.Line2D) for line in rv])
     plt.close()
 
+    obj = obj.copy(deep=True)
+    obj.time.attrs.clear()
+    rv = obj.cf.plot(x="X", y="Y", col="time")
+
 
 @pytest.mark.parametrize("obj", datasets)
 def test_dataset_plot(obj):