[FIX] tests: enables type checking for binded functions

Starting in saas-16.2, the tsconfig for tests isn't
based on the general tsconfig.json file anymore.

The change of commit b04fd21 was not reflected in
the test config file.

closes #3408

Signed-off-by: Rémi Rahir (rar) <rar@odoo.com>

tsconfig.jest.json

@@ -16,7 +16,8 @@
     "strictNullChecks": true,
     "esModuleInterop": true,
     "allowJs": true,
-    "sourceMap": true
+    "sourceMap": true,
+    "strictBindCallApply": true
   },
   "include": ["src", "tests"],
   "typedocOptions": {