message: remove spurious mxclient stub
diff: @@ -84,9 +84,6 @@ export function createTestClient() {
  generateClientSecret: () => "t35tcl1Ent5ECr3T",
  isGuest: () => false,
  isCryptoEnabled: () => false,
  - getSpaceSummary: jest.fn().mockReturnValue({
  - rooms: [],
  - }),
  getRoomHierarchy: jest.fn().mockReturnValue({
  rooms: [],
  }),
  