Increase selling label size and add more counter click tests

counter/migrations/0029_alter_selling_label.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2.17 on 2024-12-22 22:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("counter", "0028_alter_producttype_comment_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="selling",
+            name="label",
+            field=models.CharField(max_length=128, verbose_name="label"),
+        ),
+    ]