diff --git a/tests/requests/test_servers.py b/tests/requests/test_servers.py
index 360a5bb..8bf3d95 100644
--- a/tests/requests/test_servers.py
+++ b/tests/requests/test_servers.py
@@ -8,6 +8,7 @@
 from vshieldpy.api_defs.plans import Plans
 from vshieldpy.api_defs.tasks import ServerActions
 from vshieldpy.exceptions.parameter_exceptions import (
+    InvalidDays,
     InvalidHostname,
     ReinstallWithoutOS,
 )
@@ -54,6 +55,7 @@ async def test_server_manage_autorenew():
 async def test_server_update_hostname():
     new_hostname = await client.set_server_hostname(0, "SteinsGate")
     assert isinstance(new_hostname, str)
+
     with pytest.raises(InvalidHostname):
         await client.set_server_hostname(0, str(list(range(0, 20))))
 
@@ -72,6 +74,9 @@ async def test_server_renew():
     payment = await client.renew_server(0, 100)
     assert type(payment) == Payment
 
+    with pytest.raises(InvalidDays):
+        await client.renew_server(0, 366)
+
 
 async def test_server_delete():
     task_id = await client.delete_server(0)
@@ -83,3 +88,12 @@ async def test_server_order():
         Plans.VDS_PRO_GOLD, Locations.US, "Hello", OperatingSystems.Ubuntu20, 10
     )
     assert type(payment) == Payment
+
+    with pytest.raises(InvalidDays):
+        await client.order_server(
+            Plans.VDS_PRO_GOLD,
+            Locations.US,
+            "darkness",
+            OperatingSystems.WindowsServer22,
+            0,
+        )
diff --git a/tests/requests/test_services.py b/tests/requests/test_services.py
index d408478..a7dd160 100644
--- a/tests/requests/test_services.py
+++ b/tests/requests/test_services.py
@@ -3,7 +3,7 @@
 from vshieldpy.api_defs.auto_renew import AutoRenew
 from vshieldpy.api_defs.operating_systems import OperatingSystems
 from vshieldpy.api_defs.tasks import ServiceActions
-from vshieldpy.exceptions.parameter_exceptions import ReinstallWithoutOS
+from vshieldpy.exceptions.parameter_exceptions import InvalidMonths, ReinstallWithoutOS
 from vshieldpy.products.service import Hosting
 
 from . import client
@@ -42,3 +42,7 @@ async def test_service_manage_auto_renew():
 async def test_service_renew():
     payment = await client.renew_service(1, 3)
     assert payment.invoice_id is None
+
+    with pytest.raises(InvalidMonths):
+        # Ignoring the type just for testing purposes.
+        await client.renew_service(1, 0)  # type: ignore