DEV: Move discourse-chat to the core repo. (#18776)

As part of this move, we are also renaming `discourse-chat` to `chat`.

plugins/chat/test/javascripts/components/chat-composer-inline-buttons-test.js

@@ -0,0 +1,26 @@
+import componentTest, {
+  setupRenderingTest,
+} from "discourse/tests/helpers/component-test";
+import { exists } from "discourse/tests/helpers/qunit-helpers";
+import hbs from "htmlbars-inline-precompile";
+import { module } from "qunit";
+
+module(
+  "Discourse Chat | Component | chat-composer-inline-buttons",
+  function (hooks) {
+    setupRenderingTest(hooks);
+
+    componentTest("buttons", {
+      template: hbs`{{chat-composer-inline-buttons buttons=buttons}}`,
+
+      async beforeEach() {
+        this.set("buttons", [{ id: "foo", icon: "times", action: () => {} }]);
+      },
+
+      async test(assert) {
+        assert.ok(exists(".chat-composer-inline-button.foo"));
+        assert.ok(exists(".chat-composer-inline-button.foo .d-icon-times"));
+      },
+    });
+  }
+);