diff --git a/minimal_redux_poc/__tests__/integration/mirador/config_updating_from_instance.test.js b/minimal_redux_poc/__tests__/integration/mirador/config_updating_from_instance.test.js
new file mode 100644
index 0000000..6190e90
--- /dev/null
+++ b/minimal_redux_poc/__tests__/integration/mirador/config_updating_from_instance.test.js
@@ -0,0 +1,17 @@
+/* global miradorInstance */
+
+describe('Config updating from instance', () => {
+ beforeAll(async () => {
+ await page.goto('http://127.0.0.1:4488/__tests__/integration/mirador/');
+ });
+ it('can modify the config via api', async () => {
+ await page.evaluate(() => {
+ const a = miradorInstance.actions.updateConfig({ foo: 'bat' });
+ miradorInstance.store.dispatch(a);
+ });
+ const config = await page.evaluate(() => (
+ miradorInstance.store.getState().config
+ ));
+ await expect(config.foo).toBe('bat');
+ });
+});
diff --git a/minimal_redux_poc/__tests__/integration/mirador/index.html b/minimal_redux_poc/__tests__/integration/mirador/index.html
index d79ce78..e820e5e 100644
--- a/minimal_redux_poc/__tests__/integration/mirador/index.html
+++ b/minimal_redux_poc/__tests__/integration/mirador/index.html
@@ -10,7 +10,7 @@