Fixed testcase due to email validation

tests/test_alpine_bits_server_read.py

@@ -66,7 +66,7 @@ def sample_customer():
         contact_id="CONTACT-12345",
         name_prefix="Mr.",
         name_title="Jr.",
-        email_address="john.doe@example.com",
+        email_address="john.doe@gmail.com",
         phone="+1234567890",
         email_newsletter=True,
         address_line="123 Main Street",
@@ -378,7 +378,7 @@ class TestXMLParsing:
         # Verify customer data is present
         assert "John" in xml_output
         assert "Doe" in xml_output
-        assert "john.doe@example.com" in xml_output
+        assert "john.doe@gmail.com" in xml_output
 
         # Verify reservation data is present
         # assert "RES-2024-001" in xml_output