checking for the extension (only) dos not make sense; this is also fulklfilled by "system" hunspell dicts
(here: hunspell-en-us), which we have in Build-Depends:

diff --git a/sc/qa/uitest/calc_tests8/tdf125051.py b/sc/qa/uitest/calc_tests8/tdf125051.py
index d923a3ff7580..abf9836e97f9 100644
--- a/sc/qa/uitest/calc_tests8/tdf125051.py
+++ b/sc/qa/uitest/calc_tests8/tdf125051.py
@@ -16,18 +16,7 @@ from libreoffice.uno.propertyvalue import mkPropertyValues
 
 # Bug 125051 - EDITING: CRASH when start SpellCheck
 class tdf125051(UITestCase):
-    def hasExtension(self, identifier):
-        m = self.xContext.getByName("/singletons/com.sun.star.deployment.ExtensionManager")
-        # Only check bundled extensions for now; it doesn't seem useful to check user and shared ones in UITests
-        p = (i for i in m.getDeployedExtensions("bundled", None, None) if i.getIdentifier().Value == identifier)
-        return any(r.IsPresent and not r.Value.IsAmbiguous and r.Value.Value for r in (i.isRegistered(None, None) for i in p))
-
     def test_tdf125051_crash_spelling_dialog(self):
-        # Check if English spellchecker is installed and active
-        if not self.hasExtension("org.openoffice.en.hunspell.dictionaries"):
-            print("Skipping test_tdf125051_crash_spelling_dialog: English spellckecker is unavailable")
-            return # can't test without English spell checker
-
         with self.ui_test.create_doc_in_start_center("calc") as document:
             xCalcDoc = self.xUITest.getTopFocusWindow()
             gridwin = xCalcDoc.getChild("grid_window")