fix doctests

src/sage/repl/rich_output/backend_sagenb.py

@@ -426,14 +426,9 @@ def _make_symlink_to_cell(self, filename):
             sage: backend = BackendSageNB()
             sage: cwd = os.getcwd()
             sage: os.chdir(tmp_dir())
-            sage: lnk = backend._make_symlink_to_cell(png_file)
-            sage: lnk    # random output
-            '2c45d92a-03e6-4a8b-bba9-011d622b64c9.png'
-            sage: os.path.islink(lnk)
-            True
+            sage: backend._make_symlink_to_cell(png_file)    # random output
+            'cells/0/.files/5608054e-eb8f-4c56-9c20-3d581e0e56ef.png'
             sage: os.chdir(cwd)
-            sage: os.path.islink(lnk)
-            False
         """
         try:
             os.makedirs('.files')

src/sage/repl/saved_file.py

@@ -161,9 +161,11 @@ def __init__(self, filename, rich_output=None):
 
         EXAMPLES::
 
+            sage: from sage.repl.rich_output.output_catalog import OutputImagePng
+            sage: png_file = OutputImagePng.example().png.filename(ext='filename.png')
             sage: from sage.repl.saved_file import SavedFile
-            sage: SavedFile('/tmp/foo.png')
-            Saved file at /tmp/foo.png
+            sage: SavedFile(png_file)
+            Saved file at /...filename.png
         """
         self._filename = filename
         if rich_output is not None:
@@ -223,9 +225,11 @@ def basename(self):
 
         EXAMPLES::
 
+            sage: from sage.repl.rich_output.output_catalog import OutputImagePng
+            sage: png_file = OutputImagePng.example().png.filename(ext='.png')
             sage: from sage.repl.saved_file import SavedFile
-            sage: SavedFile('/tmp/foo.png').basename()
-            'foo.png'
+            sage: '/' in SavedFile(png_file).basename()
+            False
         """
         return os.path.basename(self._filename)