DEV: make specs regarding assign button more lenient

in preparation of discourse/discourse#30242
which might make the assign button appear immediately (when it's the
only available option) or behind the "..." dropdown.

Author: ZogStriP

test/javascripts/acceptance/assign-disabled-test.js

@@ -9,7 +9,12 @@ acceptance("Discourse Assign | Assign disabled mobile", function (needs) {
 
   test("Footer dropdown does not contain button", async function (assert) {
     await visit("/t/internationalization-localization/280");
-    await click(".topic-footer-mobile-dropdown-trigger");
+
+    const dropdown = document.querySelector(".topic-footer-mobile-dropdown-trigger");
+    if (dropdown) {
+      await click(dropdown);
+    }
+
     assert.dom(".assign").doesNotExist();
   });
 });

test/javascripts/acceptance/assign-enabled-test.js

@@ -38,9 +38,16 @@ acceptance("Discourse Assign | Assign mobile", function (needs) {
 
   test("Footer dropdown contains button", async function (assert) {
     updateCurrentUser({ can_assign: true });
+
     await visit("/t/internationalization-localization/280");
-    await click(".topic-footer-mobile-dropdown-trigger");
+
+    const dropdown = document.querySelector(".topic-footer-mobile-dropdown-trigger");
+    if (dropdown) {
+      await click(dropdown);
+    }
+
     await click(".assign");
+
     assert.dom(".assign.d-modal").exists("assign modal opens");
   });
 });

test/javascripts/acceptance/assign-enabled-widget-post-menu-test.js

@@ -44,9 +44,16 @@ acceptance(
 
     test("Footer dropdown contains button", async function (assert) {
       updateCurrentUser({ can_assign: true });
+
       await visit("/t/internationalization-localization/280");
-      await click(".topic-footer-mobile-dropdown-trigger");
+
+      const dropdown = document.querySelector(".topic-footer-mobile-dropdown-trigger");
+      if (dropdown) {
+        await click(dropdown);
+      }
+
       await click(".assign");
+
       assert.dom(".assign.d-modal").exists("assign modal opens");
     });
   }