diff --git a/test/comboboxtext.jl b/test/comboboxtext.jl
index 03800066..4505e155 100644
--- a/test/comboboxtext.jl
+++ b/test/comboboxtext.jl
@@ -3,7 +3,7 @@ using Gtk4
 @testset "comboboxtext" begin
 
 @testset "populate with push!" begin
-    cbstr = GtkComboBoxText()
+    cbstr = GtkComboBoxText(false)
     push!(cbstr, "1", "abc")
     push!(cbstr, "2", "xyz")
 
diff --git a/test/gui/listviews.jl b/test/gui/listviews.jl
index b2d2602f..47aaa98c 100644
--- a/test/gui/listviews.jl
+++ b/test/gui/listviews.jl
@@ -77,6 +77,9 @@ listBox[1] = GtkLabel("widget 2")
 sw[] = listBox
 listBox.vexpand = true
 
+Gtk4.set_filter_func(listBox, nothing)
+Gtk4.set_sort_func(listBox, nothing)
+
 # while we're at it, test GtkExpression
 pe = GtkPropertyExpression(GtkWindow, "title")
 rgv=Ref(GLib.GValue())
@@ -122,6 +125,9 @@ listBox[1] = GtkLabel("widget 2")
 sw[] = listBox
 listBox.vexpand = true
 
+Gtk4.set_filter_func(listBox, nothing)
+Gtk4.set_sort_func(listBox, nothing)
+
 destroy(win)
 
 end