TaskOrders domain class can query EDA api via client

tests/domain/test_task_orders.py

@@ -2,6 +2,7 @@ import pytest
 
 from atst.domain.exceptions import NotFoundError
 from atst.domain.task_orders import TaskOrders
+from atst.eda_client import MockEDAClient
 
 from tests.factories import TaskOrderFactory
 
@@ -13,6 +14,17 @@ def test_can_get_task_order():
     assert to.id == to.id
 
 
-def test_nonexistent_task_order_raises():
+def test_can_get_task_order_from_eda():
+    to = TaskOrders.get(MockEDAClient.MOCK_CONTRACT_NUMBER, client=MockEDAClient())
+
+    assert to.number == MockEDAClient.MOCK_CONTRACT_NUMBER
+
+
+def test_nonexistent_task_order_raises_without_client():
     with pytest.raises(NotFoundError):
         TaskOrders.get("some fake number")
+
+
+def test_nonexistent_task_order_raises_with_client():
+    with pytest.raises(NotFoundError):
+        TaskOrders.get("some other fake numer", client=MockEDAClient())