Fix MusicXML writer tests (we used to write 'none' for None, but now we only write 'none' for Enclosures.NO_ENCLOSURE).

Author: gregchapman-dev

music21/musicxml/m21ToXml.py

@@ -6165,8 +6165,7 @@ def codaToXml(self, coda: repeat.Coda) -> Element:
         >>> MEX.dump(mxCodaText)
         <direction>
           <direction-type>
-            <words default-y="20" enclosure="none"
-                justify="center">Coda</words>
+            <words default-y="20" justify="center">Coda</words>
           </direction-type>
         </direction>
         '''
@@ -6211,7 +6210,7 @@ def tempoIndicationToXml(self, ti: tempo.TempoIndication) -> Element:
         >>> MEX.dump(MEX.xmlRoot.findall('direction')[1])
         <direction>
           <direction-type>
-            <words default-y="45" enclosure="none" font-weight="bold"
+            <words default-y="45" font-weight="bold"
                 justify="left">slow</words>
           </direction-type>
         </direction>
@@ -6281,7 +6280,7 @@ def tempoIndicationToXml(self, ti: tempo.TempoIndication) -> Element:
         >>> MEX.dump(mxDirection)
         <direction>
           <direction-type>
-            <words default-y="45" enclosure="none" font-weight="bold">Andante</words>
+            <words default-y="45" font-weight="bold">Andante</words>
           </direction-type>
         </direction>
 

music21/musicxml/test_xmlToM21.py

@@ -1064,7 +1064,8 @@ def testRehearsalMarks(self):
         self.assertEqual(len(rmIterator), 4)
         self.assertEqual(rmIterator[0].content, 'A')
         self.assertEqual(rmIterator[1].content, 'B')
-        self.assertEqual(rmIterator[1].style.enclosure, None)
+        self.assertEqual(rmIterator[1].style.enclosure,
+                         style.Enclosure.NO_ENCLOSURE)
         self.assertEqual(rmIterator[2].content, 'Test')
         self.assertEqual(rmIterator[2].style.enclosure, 'square')