Use the old converter for nwd file, not the markdown class

tests/test_core/test_core_tokenizer.py

@@ -20,8 +20,11 @@ You should have received a copy of the GNU General Public License
 along with this program. If not, see <https://www.gnu.org/licenses/>.
 """
 
+import os
 import pytest
 
+from tools import readFile
+
 from nw.core import NWProject, NWDoc
 from nw.core.tokenizer import Tokenizer
 
@@ -182,6 +185,11 @@ def testCoreToken_TextOps(monkeypatch, nwMinimal, dummyGUI):
     theToken.doPostProcessing()
     assert theToken.theResult == "This is text with escapes: ** ~~ __"
 
+    # Save File
+    savePath = os.path.join(nwMinimal, "dump.nwd")
+    theToken.saveRawMarkdown(savePath)
+    assert readFile(savePath) == "# Notes: Plot\n\n"
+
 # END Test testCoreToken_TextOps
 
 @pytest.mark.core
@@ -397,11 +405,6 @@ def testCoreToken_Tokenize(dummyGUI):
         "Some **nested bold and _italic_ and ~~strikethrough~~ text** here\n\n"
     )
 
-    # Check the markdown function as well
-    assert theToken.theMarkdown[-1] == (
-        "Some **nested bold and _italic_ and ~~strikethrough~~ text** here\n\n"
-    )
-
 # END Test testCoreToken_Tokenize
 
 @pytest.mark.core