diff --git a/addons/spreadsheet/tests/validate_spreadsheet_data.py b/addons/spreadsheet/tests/validate_spreadsheet_data.py
index e78371f55c6..265370bb792 100644
--- a/addons/spreadsheet/tests/validate_spreadsheet_data.py
+++ b/addons/spreadsheet/tests/validate_spreadsheet_data.py
@@ -218,14 +218,3 @@ class ValidateSpreadsheetData(TransactionCase):
                 raise AssertionError(
                     f"xml id '{xml_id}' used in spreadsheet '{spreadsheet_name}' does not exist"
                 )
-
-    def test_onchange_json_data(self):
-        group = self.env["spreadsheet.dashboard.group"].create(
-            {"name": "a group"}
-        )
-        spreadsheet_form = Form(self.env['spreadsheet.dashboard'])
-        spreadsheet_form.name = 'Test spreadsheet'
-        spreadsheet_form.dashboard_group_id = group
-        spreadsheet_form.spreadsheet_binary_data = base64.b64encode(json.dumps({'key': 'value'}).encode('utf-8'))
-        with self.assertRaises(ValidationError, msg='Invalid JSON Data'):
-            spreadsheet_form.spreadsheet_binary_data = base64.b64encode('invalid json'.encode('utf-8'))
diff --git a/addons/test_spreadsheet/__init__.py b/addons/test_spreadsheet/__init__.py
new file mode 100644
index 00000000000..0650744f6bc
--- /dev/null
+++ b/addons/test_spreadsheet/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/addons/test_spreadsheet/__manifest__.py b/addons/test_spreadsheet/__manifest__.py
new file mode 100644
index 00000000000..c9c96b67d17
--- /dev/null
+++ b/addons/test_spreadsheet/__manifest__.py
@@ -0,0 +1,18 @@
+# -*- encoding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+{
+    'name': 'Spreadsheet Test',
+    'version': '1.0',
+    'category': 'Hidden',
+    'summary': 'Spreadsheet Test, mainly to test the mixin behavior',
+    'description': """This module contains tests related to spreadsheet.
+    The modules exposes some mixin that are only implemented in other functional modules.
+    When trying to test a global behavior of the mixin, it makes no sense to test it in
+    each module implementing the mixin but rather test a dummy implementation of the later,
+    hence the need for this test module.
+    """,
+    'depends': ['spreadsheet'],
+    'license': 'LGPL-3',
+    'data': ['security/ir.model.access.csv'],
+}
diff --git a/addons/test_spreadsheet/models/__init__.py b/addons/test_spreadsheet/models/__init__.py
new file mode 100644
index 00000000000..efeaf6c1263
--- /dev/null
+++ b/addons/test_spreadsheet/models/__init__.py
@@ -0,0 +1 @@
+from . import spreadsheet_mixin_test
diff --git a/addons/test_spreadsheet/models/spreadsheet_mixin_test.py b/addons/test_spreadsheet/models/spreadsheet_mixin_test.py
new file mode 100644
index 00000000000..fc39e6a8677
--- /dev/null
+++ b/addons/test_spreadsheet/models/spreadsheet_mixin_test.py
@@ -0,0 +1,9 @@
+from odoo import models
+
+
+class SpreadsheetDummy(models.Model):
+    """ A very simple model only inheriting from spreadsheet.mixin to test
+    its model functioning."""
+    _description = 'Dummy Spreadsheet'
+    _name = 'spreadsheet.test'
+    _inherit = ['spreadsheet.mixin']
diff --git a/addons/test_spreadsheet/security/ir.model.access.csv b/addons/test_spreadsheet/security/ir.model.access.csv
new file mode 100644
index 00000000000..ffc692a80b0
--- /dev/null
+++ b/addons/test_spreadsheet/security/ir.model.access.csv
@@ -0,0 +1,2 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_spreadsheet_test_all,access.spreadsheet.test.all,model_spreadsheet_test,,1,1,1,1
diff --git a/addons/test_spreadsheet/tests/__init__.py b/addons/test_spreadsheet/tests/__init__.py
new file mode 100644
index 00000000000..f0bcd73627a
--- /dev/null
+++ b/addons/test_spreadsheet/tests/__init__.py
@@ -0,0 +1 @@
+from . import test_spreadsheet
diff --git a/addons/test_spreadsheet/tests/test_spreadsheet.py b/addons/test_spreadsheet/tests/test_spreadsheet.py
new file mode 100644
index 00000000000..245172a7c7a
--- /dev/null
+++ b/addons/test_spreadsheet/tests/test_spreadsheet.py
@@ -0,0 +1,12 @@
+import base64
+import json
+from odoo.tests.common import TransactionCase, Form
+from odoo.exceptions import ValidationError
+
+class ValidateSpreadsheetMixinData(TransactionCase):
+    def test_onchange_json_data(self):
+        spreadsheet_form = Form(self.env["spreadsheet.test"])
+
+        spreadsheet_form.spreadsheet_binary_data = base64.b64encode(json.dumps({'key': 'value'}).encode('utf-8'))
+        with self.assertRaises(ValidationError, msg='Invalid JSON Data'):
+            spreadsheet_form.spreadsheet_binary_data = base64.b64encode('invalid json'.encode('utf-8'))