Improve avatar settings accessibility (#9985)

Co-authored-by: Germain <germain@souquet.com>

test/components/views/settings/AvatarSetting-test.tsx

@@ -0,0 +1,55 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+import React from "react";
+import { render } from "@testing-library/react";
+
+import AvatarSetting from "../../../../src/components/views/settings/AvatarSetting";
+
+describe("<AvatarSetting />", () => {
+    it("renders avatar with specified alt text", async () => {
+        const { queryByAltText } = render(
+            <AvatarSetting
+                avatarName="Peter Fox"
+                avatarAltText="Avatar of Peter Fox"
+                avatarUrl="https://avatar.fictional/my-avatar"
+            />,
+        );
+
+        const imgElement = queryByAltText("Avatar of Peter Fox");
+        expect(imgElement).toBeInTheDocument();
+    });
+
+    it("renders avatar with remove button", async () => {
+        const { queryByText } = render(
+            <AvatarSetting
+                avatarName="Peter Fox"
+                avatarAltText="Avatar of Peter Fox"
+                avatarUrl="https://avatar.fictional/my-avatar"
+                removeAvatar={jest.fn()}
+            />,
+        );
+
+        const removeButton = queryByText("Remove");
+        expect(removeButton).toBeInTheDocument();
+    });
+
+    it("renders avatar without remove button", async () => {
+        const { queryByText } = render(<AvatarSetting avatarName="Peter Fox" avatarAltText="Avatar of Peter Fox" />);
+
+        const removeButton = queryByText("Remove");
+        expect(removeButton).toBeNull();
+    });
+});