Disable checking spelling in tests on Windows

tests/test_gui/test_gui_guimain.py

@@ -19,6 +19,7 @@ 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 sys
 import pytest
 
 from shutil import copyfile
@@ -518,6 +519,8 @@ def testGuiMain_Editing(qtbot, monkeypatch, nwGUI, projPath, tstPaths, mockRnd):
     assert docEditor._qDocument.spellErrorAtPos(currPos) == ("", -1, -1, [])
 
     errPos = currPos - 13
+    if not sys.platform.startswith("win32"):
+        # Skip on Windows as spell checking is off there
         word, cPos, cLen, suggest = docEditor._qDocument.spellErrorAtPos(errPos)
         assert word == "tesst"
         assert cPos == 15