Untuck tests out of __tests__ directories, colocate with program files

src/api/hooks/groups/useGroupMedia.test.ts

@@ -0,0 +1,44 @@
+import { __stub } from 'soapbox/api';
+import { buildStatus } from 'soapbox/jest/factory';
+import { renderHook, waitFor } from 'soapbox/jest/test-helpers';
+
+import { useGroupMedia } from './useGroupMedia';
+
+const status = buildStatus();
+const groupId = '1';
+
+describe('useGroupMedia hook', () => {
+  describe('with a successful request', () => {
+    beforeEach(() => {
+      __stub((mock) => {
+        mock.onGet(`/api/v1/timelines/group/${groupId}?only_media=true`).reply(200, [status]);
+      });
+    });
+
+    it('is successful', async () => {
+      const { result } = renderHook(() => useGroupMedia(groupId));
+
+      await waitFor(() => expect(result.current.isFetching).toBe(false));
+
+      expect(result.current.entities.length).toBe(1);
+      expect(result.current.entities[0].id).toBe(status.id);
+    });
+  });
+
+  describe('with an unsuccessful query', () => {
+    beforeEach(() => {
+      __stub((mock) => {
+        mock.onGet(`/api/v1/timelines/group/${groupId}?only_media=true`).networkError();
+      });
+    });
+
+    it('is has error state', async() => {
+      const { result } = renderHook(() => useGroupMedia(groupId));
+
+      await waitFor(() => expect(result.current.isFetching).toBe(false));
+
+      expect(result.current.entities.length).toBe(0);
+      expect(result.current.isError).toBeTruthy();
+    });
+  });
+});