test: workaround PF 5.4.0 breakpoint issue with ServiceTabs

Resizing to a mobile layout does not trigger the NavList to show the
buttons on the left and right to scroll through the list. They do show
up when refreshing the page.

test/verify/check-system-services

@@ -416,6 +416,10 @@ WantedBy=default.target
         self.wait_service_present("test-fail.service")
         b.assert_pixels("#services-page", "text-filter-test", skip_layouts=["mobile"])
         b.set_layout("mobile")
+        # HACK: reload for PF 5.4.0 to detect the new layout and breakpoints
+        # https://github.com/patternfly/patternfly-react/issues/10897
+        b.reload()
+        b.enter_page("/system/services")
         # Waiting a bit for the layout to stabilize.  The scrolling of
         # the header happens asynchronously with an animation.
         time.sleep(2)
@@ -426,6 +430,7 @@ WantedBy=default.target
             time.sleep(0.5)
         b.assert_pixels_in_current_layout("#services-page", "text-filter-test")
         b.set_layout("desktop")
+        self.wait_page_load()
 
         # Filter by description capitalization not matching the unit description
         init_filter_state()