[FIX] test_main_flows: auto expand buttons in "More" dropdown

We are looking for the "Bom Count" stat-button, which can be hidden
behind the "More" dropdown, depending on the number of installed modules
and views inheritance order loading.

closes odoo/odoo#42085

X-original-commit: dc4a40cc130175a60aa77a0660613b23c4bb916f
Signed-off-by: Adrien Dieudonné (adr) <adr@odoo.com>

odoo/addons/test_main_flows/static/tests/tours/main_flow.js

@@ -82,6 +82,17 @@ tour.register('main_flow_tour', {
     content: _t('Save this product and the modifications you\'ve made to it.'),
     position: 'bottom',
 }, {
+    trigger: ".oe_button_box",
+    extra_trigger: '.o_form_readonly',
+    auto: true,
+    run: function (actions) {
+        // auto expand "More" buttons
+        var $more = $(".oe_button_box .o_button_more");
+        if ($more.length) {
+            actions.click($more);
+        }
+    },
+},{
     trigger: ".oe_button_box .oe_stat_button:has(div[name=bom_count])",
     extra_trigger: '.o_form_readonly',
     content: _t('See Bill of material'),