diff --git a/test/components/views/rooms/MessageComposerButtons-test.tsx b/test/components/views/rooms/MessageComposerButtons-test.tsx
index 65e9abb1e7..436fbd21f4 100644
--- a/test/components/views/rooms/MessageComposerButtons-test.tsx
+++ b/test/components/views/rooms/MessageComposerButtons-test.tsx
@@ -226,6 +226,7 @@ function createRoomState(room: Room, narrow: boolean): IRoomState {
         matrixClientIsReady: false,
         timelineRenderingType: TimelineRenderingType.Room,
         liveTimeline: undefined,
+        resizing: false,
         narrow,
     };
 }
diff --git a/test/components/views/rooms/RoomTile-test.tsx b/test/components/views/rooms/RoomTile-test.tsx
index 31f927c2d3..56dc2cda88 100644
--- a/test/components/views/rooms/RoomTile-test.tsx
+++ b/test/components/views/rooms/RoomTile-test.tsx
@@ -17,11 +17,10 @@ limitations under the License.
 import React from "react";
 import { mount } from "enzyme";
 import { act } from "react-dom/test-utils";
-import { MatrixWidgetType } from "matrix-widget-api";
+import { ClientWidgetApi, MatrixWidgetType } from "matrix-widget-api";
 
 import "../../../skinned-sdk";
 import { stubClient, mkStubRoom } from "../../../test-utils";
-import PlatformPeg from "../../../../src/PlatformPeg";
 import RoomTile from "../../../../src/components/views/rooms/RoomTile";
 import SettingsStore from "../../../../src/settings/SettingsStore";
 import WidgetStore from "../../../../src/stores/WidgetStore";
@@ -31,18 +30,33 @@ import VoiceChannelStore, { VoiceChannelEvent } from "../../../../src/stores/Voi
 import { DefaultTagID } from "../../../../src/stores/room-list/models";
 import DMRoomMap from "../../../../src/utils/DMRoomMap";
 import { VOICE_CHANNEL_ID } from "../../../../src/utils/VoiceChannelUtils";
+import { mocked } from "jest-mock";
+import { MatrixClientPeg } from "../../../../src/MatrixClientPeg";
+import PlatformPeg  from "../../../../src/PlatformPeg";
+import BasePlatform from "../../../../src/BasePlatform";
 
 describe("RoomTile", () => {
-    PlatformPeg.get = () => ({ overrideBrowserShortcuts: () => false });
-    SettingsStore.getValue = setting => setting === "feature_voice_rooms";
+    jest.spyOn(PlatformPeg, 'get')
+        .mockReturnValue({ overrideBrowserShortcuts: () => false } as unknown as BasePlatform);
+
+    const cli = mocked(MatrixClientPeg.get());
+
     beforeEach(() => {
+        const realGetValue = SettingsStore.getValue;
+        jest.spyOn(SettingsStore, 'getValue').mockImplementation((name, roomId) => {
+            if (name === "feature_voice_rooms") {
+                return true;
+            }
+            return realGetValue(name, roomId);
+        });
+
         stubClient();
         DMRoomMap.makeShared();
     });
 
     describe("voice rooms", () => {
-        const room = mkStubRoom("!1:example.org");
-        room.isCallRoom.mockReturnValue(true);
+        const room = mkStubRoom("!1:example.org", "voice room", cli);
+        room.isCallRoom = () => true;
 
         // Set up mocks to simulate the remote end of the widget API
         let messageSent;
@@ -72,7 +86,7 @@ describe("RoomTile", () => {
                     send: messageSendMock,
                     reply: () => {},
                 },
-            });
+            } as unknown as ClientWidgetApi);
         });
 
         it("tracks connection state", async () => {
diff --git a/test/components/views/voip/VoiceChannelRadio-test.tsx b/test/components/views/voip/VoiceChannelRadio-test.tsx
index c02545ab70..b26d7436cc 100644
--- a/test/components/views/voip/VoiceChannelRadio-test.tsx
+++ b/test/components/views/voip/VoiceChannelRadio-test.tsx
@@ -24,6 +24,8 @@ import { stubClient, mkStubRoom, wrapInMatrixClientContext } from "../../../test
 import _VoiceChannelRadio from "../../../../src/components/views/voip/VoiceChannelRadio";
 import VoiceChannelStore, { VoiceChannelEvent } from "../../../../src/stores/VoiceChannelStore";
 import DMRoomMap from "../../../../src/utils/DMRoomMap";
+import { mocked } from "jest-mock";
+import { MatrixClientPeg } from "../../../../src/MatrixClientPeg";
 
 const VoiceChannelRadio = wrapInMatrixClientContext(_VoiceChannelRadio);
 
@@ -64,17 +66,20 @@ class StubVoiceChannelStore extends EventEmitter {
 }
 
 describe("VoiceChannelRadio", () => {
-    const room = mkStubRoom("!1:example.org");
-    room.isCallRoom.mockReturnValue(true);
+    const cli = mocked(MatrixClientPeg.get());
+    const room = mkStubRoom("!1:example.org", "voice channel", cli);
+    room.isCallRoom = () => true;
 
     beforeEach(() => {
         stubClient();
         DMRoomMap.makeShared();
         // Stub out the VoiceChannelStore
-        jest.spyOn(VoiceChannelStore, "instance", "get").mockReturnValue(new StubVoiceChannelStore());
+        jest.spyOn(VoiceChannelStore, "instance", "get")
+            .mockReturnValue(new StubVoiceChannelStore() as unknown as VoiceChannelStore);
     });
 
     it("shows when connecting voice", async () => {
+        // @ts-ignore - TS doesn't like mounting this for some reason, but is fine with it elsewhere
         const radio = mount(<VoiceChannelRadio />);
         expect(radio.children().children().exists()).toEqual(false);
 
@@ -85,6 +90,7 @@ describe("VoiceChannelRadio", () => {
 
     it("hides when disconnecting voice", () => {
         VoiceChannelStore.instance.connect("!1:example.org");
+        // @ts-ignore - TS doesn't like mounting this for some reason, but is fine with it elsewhere
         const radio = mount(<VoiceChannelRadio />);
         expect(radio.children().children().exists()).toEqual(true);
 
@@ -96,6 +102,7 @@ describe("VoiceChannelRadio", () => {
     describe("disconnect button", () => {
         it("works", () => {
             VoiceChannelStore.instance.connect("!1:example.org");
+            // @ts-ignore - TS doesn't like mounting this for some reason, but is fine with it elsewhere
             const radio = mount(<VoiceChannelRadio />);
 
             act(() => {
@@ -108,6 +115,7 @@ describe("VoiceChannelRadio", () => {
     describe("video button", () => {
         it("works", () => {
             VoiceChannelStore.instance.connect("!1:example.org");
+            // @ts-ignore - TS doesn't like mounting this for some reason, but is fine with it elsewhere
             const radio = mount(<VoiceChannelRadio />);
 
             act(() => {
@@ -125,6 +133,7 @@ describe("VoiceChannelRadio", () => {
     describe("audio button", () => {
         it("works", () => {
             VoiceChannelStore.instance.connect("!1:example.org");
+            // @ts-ignore - TS doesn't like mounting this for some reason, but is fine with it elsewhere
             const radio = mount(<VoiceChannelRadio />);
 
             act(() => {