diff --git a/python/damask/_colormap.py b/python/damask/_colormap.py
index f6e6b62e7..9377ca277 100644
--- a/python/damask/_colormap.py
+++ b/python/damask/_colormap.py
@@ -234,6 +234,7 @@ class Colormap(mpl.colors.ListedColormap):
 
     @staticmethod
     def _export_GOM(colormap,fhandle=None):
+        """Write colormap to GOM Aramis compatible format."""
         # ToDo: test in GOM
         GOM_str = f'1 1 {colormap.name.replace(" ","_")} 9 {colormap.name.replace(" ","_")} ' \
                 +  '0 1 0 3 0 0 -1 9 \\ 0 0 0 255 255 255 0 0 255 ' \
@@ -249,6 +250,7 @@ class Colormap(mpl.colors.ListedColormap):
 
     @staticmethod
     def _export_gmsh(colormap,fhandle=None):
+        """Write colormap to Gmsh compatible format."""
         # ToDo: test in gmsh
         gmsh_str = 'View.ColorTable = {\n' \
                  +'\n'.join([f'{c[0]},{c[1]},{c[2]},' for c in colormap.colors[:,:3]*255]) \
diff --git a/python/tests/test_Colormap.py b/python/tests/test_Colormap.py
index dde14dcf3..f124c704e 100644
--- a/python/tests/test_Colormap.py
+++ b/python/tests/test_Colormap.py
@@ -82,7 +82,7 @@ class TestColormap:
     @pytest.mark.parametrize('format,name',[('ASCII','test.txt'),
                                             ('paraview','test.json'),
                                             ('GOM','test.legend'),
-                                            ('gmsh','test.xxx')
+                                            ('gmsh','test.msh')
                                            ])
     def test_write_filehandle(self,format,name,tmpdir):
         c = Colormap.from_predefined('Dark2')
@@ -111,7 +111,6 @@ class TestColormap:
                 np.allclose(c_1.colors,c_2.reversed().colors)
 
     def test_list(self):
-        c = Colormap.from_predefined('afmhot').reversed()
-        c.list_predefined()
+        Colormap.list_predefined()