[FIX] web: fix incorrect test of py utils

Before this fix, a QUnit test was wrong (didn't parse)
After this fix, the test actually works and tests something.

closes odoo/odoo#41257

X-original-commit: 3818a7f0df754717a7379dc8341729b508a166be
Signed-off-by: Xavier Morel (xmo) <xmo@odoo.com>

addons/web/static/tests/core/py_utils_tests.js

@@ -1220,7 +1220,9 @@ QUnit.module('core', function () {
         assert.checkAST("not a in b", "not prefix with expression");
     });
 
-    QUnit("conditional expression", function (assert) {
+    QUnit.test("conditional expression", function (assert) {
+        assert.expect(2);
+
         assert.checkAST("1 if a else 2");
         assert.checkAST("[] if a else 2");
     });