FlGnomeSettingsTest: pass the schema ID to create_settings()

There will be a need to pass e.g. "org.gnome.desktop.a11y.interface"
later.

Author: jpnurmi

shell/platform/linux/fl_gnome_settings_test.cc

@@ -23,21 +23,21 @@ class FlGnomeSettingsTest : public ::testing::Test {
   }
 };
 
-static GSettings* create_interface_settings(const gchar* name) {
+static GSettings* create_settings(const gchar* name, const gchar* schema_id) {
   g_autofree gchar* path =
       g_build_filename(flutter::testing::GetFixturesPath(), name, nullptr);
   g_autoptr(GSettingsSchemaSource) source =
       g_settings_schema_source_new_from_directory(path, nullptr, false,
                                                   nullptr);
-  g_autoptr(GSettingsSchema) schema = g_settings_schema_source_lookup(
-      source, "org.gnome.desktop.interface", false);
+  g_autoptr(GSettingsSchema) schema =
+      g_settings_schema_source_lookup(source, schema_id, false);
   g_autoptr(GSettingsBackend) backend = g_memory_settings_backend_new();
   return g_settings_new_full(schema, backend, nullptr);
 }
 
 TEST_F(FlGnomeSettingsTest, ClockFormat) {
   g_autoptr(GSettings) interface_settings =
-      create_interface_settings("ubuntu-20.04");
+      create_settings("ubuntu-20.04", "org.gnome.desktop.interface");
   g_settings_set_string(interface_settings, "clock-format", "24h");
 
   g_autoptr(FlSettings) settings = fl_gnome_settings_new(interface_settings);
@@ -52,7 +52,7 @@ TEST_F(FlGnomeSettingsTest, ClockFormat) {
 
 TEST_F(FlGnomeSettingsTest, GtkTheme) {
   g_autoptr(GSettings) interface_settings =
-      create_interface_settings("ubuntu-20.04");
+      create_settings("ubuntu-20.04", "org.gnome.desktop.interface");
   g_settings_set_string(interface_settings, "gtk-theme", "Yaru");
 
   g_autoptr(FlSettings) settings = fl_gnome_settings_new(interface_settings);
@@ -67,7 +67,7 @@ TEST_F(FlGnomeSettingsTest, GtkTheme) {
 
 TEST_F(FlGnomeSettingsTest, TextScalingFactor) {
   g_autoptr(GSettings) interface_settings =
-      create_interface_settings("ubuntu-20.04");
+      create_settings("ubuntu-20.04", "org.gnome.desktop.interface");
   g_settings_set_double(interface_settings, "text-scaling-factor", 1.0);
 
   g_autoptr(FlSettings) settings = fl_gnome_settings_new(interface_settings);
@@ -82,7 +82,7 @@ TEST_F(FlGnomeSettingsTest, TextScalingFactor) {
 
 TEST_F(FlGnomeSettingsTest, SignalHandlers) {
   g_autoptr(GSettings) interface_settings =
-      create_interface_settings("ubuntu-20.04");
+      create_settings("ubuntu-20.04", "org.gnome.desktop.interface");
 
   FlSettings* settings = fl_gnome_settings_new(interface_settings);
   flutter::testing::MockSignalHandler settings_changed(settings, "changed");