diff --git a/test/components/structures/GroupView-test.js b/test/components/structures/GroupView-test.js
index 71df26da46..76baafe1c8 100644
--- a/test/components/structures/GroupView-test.js
+++ b/test/components/structures/GroupView-test.js
@@ -26,32 +26,13 @@ import sdk from 'matrix-react-sdk';
 import Matrix from 'matrix-js-sdk';
 
 import * as TestUtils from 'test-utils';
+const { waitForUpdate } = TestUtils;
 
 const GroupView = sdk.getComponent('structures.GroupView');
 const WrappedGroupView = TestUtils.wrapInMatrixClientContext(GroupView);
 
 const Spinner = sdk.getComponent('elements.Spinner');
 
-/**
- * Call fn before calling componentDidUpdate on a react component instance, inst.
- * @param {React.Component} inst an instance of a React component.
- * @returns {Promise} promise that resolves when componentDidUpdate is called on
- *                    given component instance.
- */
-function waitForUpdate(inst) {
-    return new Promise((resolve, reject) => {
-        const cdu = inst.componentDidUpdate;
-
-        inst.componentDidUpdate = (prevProps, prevState, snapshot) => {
-            resolve();
-
-            if (cdu) cdu(prevProps, prevState, snapshot);
-
-            inst.componentDidUpdate = cdu;
-        };
-    });
-}
-
 describe('GroupView', function() {
     let root;
     let rootElement;
diff --git a/test/test-utils.js b/test/test-utils.js
index d2c685b371..e7d3412722 100644
--- a/test/test-utils.js
+++ b/test/test-utils.js
@@ -302,3 +302,23 @@ export function wrapInMatrixClientContext(WrappedComponent) {
     }
     return Wrapper;
 }
+
+/**
+ * Call fn before calling componentDidUpdate on a react component instance, inst.
+ * @param {React.Component} inst an instance of a React component.
+ * @returns {Promise} promise that resolves when componentDidUpdate is called on
+ *                    given component instance.
+ */
+export function waitForUpdate(inst) {
+    return new Promise((resolve, reject) => {
+        const cdu = inst.componentDidUpdate;
+
+        inst.componentDidUpdate = (prevProps, prevState, snapshot) => {
+            resolve();
+
+            if (cdu) cdu(prevProps, prevState, snapshot);
+
+            inst.componentDidUpdate = cdu;
+        };
+    });
+}