diff --git a/test/UserActivity-test.js b/test/UserActivity-test.ts
similarity index 100%
rename from test/UserActivity-test.js
rename to test/UserActivity-test.ts
diff --git a/test/autocomplete/QueryMatcher-test.js b/test/autocomplete/QueryMatcher-test.ts
similarity index 100%
rename from test/autocomplete/QueryMatcher-test.js
rename to test/autocomplete/QueryMatcher-test.ts
diff --git a/test/notifications/ContentRules-test.js b/test/notifications/ContentRules-test.ts
similarity index 81%
rename from test/notifications/ContentRules-test.js
rename to test/notifications/ContentRules-test.ts
index 2b18a18488..9881a1c149 100644
--- a/test/notifications/ContentRules-test.js
+++ b/test/notifications/ContentRules-test.ts
@@ -1,5 +1,6 @@
 /*
 Copyright 2016 OpenMarket Ltd
+Copyright 2022 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.
@@ -14,16 +15,16 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-const notifications = require('../../src/notifications');
+import { TweakName, PushRuleActionName, TweakHighlight, TweakSound } from "matrix-js-sdk/src/matrix";
 
-const ContentRules = notifications.ContentRules;
-const PushRuleVectorState = notifications.PushRuleVectorState;
+import { ContentRules, PushRuleVectorState } from "../../src/notifications";
 
 const NORMAL_RULE = {
     actions: [
-        "notify",
-        { set_tweak: "highlight", value: false },
+        PushRuleActionName.Notify,
+        { set_tweak: TweakName.Highlight, value: false } as TweakHighlight,
     ],
+    default: false,
     enabled: true,
     pattern: "vdh2",
     rule_id: "vdh2",
@@ -31,10 +32,11 @@ const NORMAL_RULE = {
 
 const LOUD_RULE = {
     actions: [
-        "notify",
-        { set_tweak: "highlight" },
-        { set_tweak: "sound", value: "default" },
+        PushRuleActionName.Notify,
+        { set_tweak: TweakName.Highlight } as TweakHighlight,
+        { set_tweak: TweakName.Sound, value: "default" } as TweakSound,
     ],
+    default: false,
     enabled: true,
     pattern: "vdh2",
     rule_id: "vdh2",
@@ -42,9 +44,9 @@ const LOUD_RULE = {
 
 const USERNAME_RULE = {
     actions: [
-        "notify",
-        { set_tweak: "sound", value: "default" },
-        { set_tweak: "highlight" },
+        PushRuleActionName.Notify,
+        { set_tweak: TweakName.Sound, value: "default" } as TweakSound,
+        { set_tweak: TweakName.Highlight } as TweakHighlight,
     ],
     default: true,
     enabled: true,
diff --git a/test/notifications/PushRuleVectorState-test.js b/test/notifications/PushRuleVectorState-test.js
deleted file mode 100644
index 1127675791..0000000000
--- a/test/notifications/PushRuleVectorState-test.js
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
-Copyright 2016 OpenMarket Ltd
-
-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.
-*/
-
-const notifications = require('../../src/notifications');
-
-const prvs = notifications.PushRuleVectorState;
-
-describe("PushRuleVectorState", function() {
-    describe("contentRuleVectorStateKind", function() {
-        it("should understand normal notifications", function() {
-            const rule = {
-                actions: [
-                    "notify",
-                ],
-            };
-
-            expect(prvs.contentRuleVectorStateKind(rule)).
-                toEqual(prvs.ON);
-        });
-
-        it("should handle loud notifications", function() {
-            const rule = {
-                actions: [
-                    "notify",
-                    { set_tweak: "highlight", value: true },
-                    { set_tweak: "sound", value: "default" },
-                ],
-            };
-
-            expect(prvs.contentRuleVectorStateKind(rule)).
-                toEqual(prvs.LOUD);
-        });
-
-        it("should understand missing highlight.value", function() {
-            const rule = {
-                actions: [
-                    "notify",
-                    { set_tweak: "highlight" },
-                    { set_tweak: "sound", value: "default" },
-                ],
-            };
-
-            expect(prvs.contentRuleVectorStateKind(rule)).
-                toEqual(prvs.LOUD);
-        });
-    });
-});
diff --git a/test/notifications/PushRuleVectorState-test.ts b/test/notifications/PushRuleVectorState-test.ts
new file mode 100644
index 0000000000..031944b84c
--- /dev/null
+++ b/test/notifications/PushRuleVectorState-test.ts
@@ -0,0 +1,75 @@
+/*
+Copyright 2016 OpenMarket Ltd
+Copyright 2022 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 {
+    PushRuleActionName,
+    TweakHighlight,
+    TweakName,
+    TweakSound,
+} from "matrix-js-sdk/src/matrix";
+
+import { PushRuleVectorState } from "../../src/notifications";
+
+describe("PushRuleVectorState", function() {
+    describe("contentRuleVectorStateKind", function() {
+        it("should understand normal notifications", function() {
+            const rule = {
+                actions: [
+                    PushRuleActionName.Notify,
+                ],
+                default: false,
+                enabled: false,
+                rule_id: '1',
+            };
+
+            expect(PushRuleVectorState.contentRuleVectorStateKind(rule)).
+                toEqual(PushRuleVectorState.ON);
+        });
+
+        it("should handle loud notifications", function() {
+            const rule = {
+                actions: [
+                    PushRuleActionName.Notify,
+                    { set_tweak: TweakName.Highlight, value: true } as TweakHighlight,
+                    { set_tweak: TweakName.Sound, value: "default" } as TweakSound,
+                ],
+                default: false,
+                enabled: false,
+                rule_id: '1',
+            };
+
+            expect(PushRuleVectorState.contentRuleVectorStateKind(rule)).
+                toEqual(PushRuleVectorState.LOUD);
+        });
+
+        it("should understand missing highlight.value", function() {
+            const rule = {
+                actions: [
+                    PushRuleActionName.Notify,
+                    { set_tweak: TweakName.Highlight } as TweakHighlight,
+                    { set_tweak: TweakName.Sound, value: "default" } as TweakSound,
+                ],
+                default: false,
+                enabled: false,
+                rule_id: '1',
+            };
+
+            expect(PushRuleVectorState.contentRuleVectorStateKind(rule)).
+                toEqual(PushRuleVectorState.LOUD);
+        });
+    });
+});