Add to preferences test

tests/test_dialogs/test_dlg_preferences.py

@@ -250,12 +250,14 @@ def testDlgPreferences_Settings(qtbot, monkeypatch, nwGUI, fncPath, tstPaths):
     prefs.spellLanguage.setCurrentIndex(prefs.spellLanguage.findData("de"))
     prefs.autoSelect.setChecked(False)
     prefs.cursorWidth.setValue(5)
+    prefs.lineHighlight.setChecked(False)
     prefs.showTabsNSpaces.setChecked(True)
     prefs.showLineEndings.setChecked(True)
 
     assert CONFIG.spellLanguage != "de"
     assert CONFIG.autoSelect is True
     assert CONFIG.cursorWidth == 1
+    assert CONFIG.lineHighlight is True
     assert CONFIG.showTabsNSpaces is False
     assert CONFIG.showLineEndings is False
 
@@ -390,6 +392,7 @@ def testDlgPreferences_Settings(qtbot, monkeypatch, nwGUI, fncPath, tstPaths):
     assert CONFIG.spellLanguage == "de"
     assert CONFIG.autoSelect is False
     assert CONFIG.cursorWidth == 5
+    assert CONFIG.lineHighlight is False
     assert CONFIG.showTabsNSpaces is True
     assert CONFIG.showLineEndings is True