[FIX] web:tests: do not rely on `testUtils.patch` in tests

Revision on https://github.com/odoo/odoo/commit/10f43955d81ff3e7b5ab050656b312ec19f927c5

Commit above uses `testUtils.patch` in the test.
However, this utility function does not seem to work.

That sucks...

1 files changed, 10 insertions, 9 deletions

diff --git a/addons/web/static/tests/fields/basic_fields_tests.js b/addons/web/static/tests/fields/basic_fields_tests.js
index 68643f7b48d..3c942ae3041 100644
--- a/addons/web/static/tests/fields/basic_fields_tests.js
+++ b/addons/web/static/tests/fields/basic_fields_tests.js
@@ -2018,14 +2018,14 @@ QUnit.module('basic_fields', {
         var done = assert.async();
         assert.expect(6);
 
-        testUtils.patch(JournalDashboardGraph, {
-            on_attach_callback: function () {
-                assert.step('on_attach_callback');
-            },
-            on_detach_callback: function () {
-                assert.step('on_detach_callback');
-            },
-        });
+        var originalAttachCallback = JournalDashboardGraph.prototype.on_attach_callback;
+        var originalDetachCallback = JournalDashboardGraph.prototype.on_detach_callback;
+        JournalDashboardGraph.prototype.on_attach_callback = function () {
+            assert.step('on_attach_callback');
+        };
+        JournalDashboardGraph.prototype.on_detach_callback = function () {
+            assert.step('on_detach_callback');
+        };
 
         createAsyncView({
             View: KanbanView,
@@ -2056,7 +2056,8 @@ QUnit.module('basic_fields', {
             ]);
 
             kanban.destroy();
-            testUtils.unpatch(JournalDashboardGraph);
+            JournalDashboardGraph.prototype.on_attach_callback = originalAttachCallback;
+            JournalDashboardGraph.prototype.on_detach_callback = originalDetachCallback;
             done();
         });
     });