[FIX] web: fix ImageField test failing sometimes

Before this commit, the changed test sometimes failed because we
expected the image to be set, but it wasn't (yet). This commit
increases the delay.

Runbot error 56099

closes odoo/odoo#157347

X-original-commit: 289e2b20673ba44fb8ce7afe19bae3bfa94e5f8c
Signed-off-by: Samuel Degueldre (sad) <sad@odoo.com>
Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>

addons/web/static/tests/views/fields/image_field_tests.js

@@ -710,7 +710,7 @@ QUnit.module("Fields", (hooks) => {
             fileInput.files = list.files;
             fileInput.dispatchEvent(new Event("change"));
             // It can take some time to encode the data as a base64 url
-            await new Promise((resolve) => setTimeout(resolve, 50));
+            await new Promise((resolve) => setTimeout(resolve, 100));
             // Wait for a render
             await nextTick();
         }