diff --git a/tests/conftest.py b/tests/conftest.py
index 2cb9a49..5f76e7b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -41,6 +41,8 @@ def seed(session):
         [
             Collaborator(name="Col1", email="aa", phone=1, team_id=1),
             Collaborator(name="Col2", email="bb", phone=2, team_id=2),
+            Collaborator(name="Col3", email="cc", phone=3, team_id=3),
+            Collaborator(name="Col4", email="dd", phone=4, team_id=2),
         ]
     )
     # session.add_all(
diff --git a/tests/tools/test_tools.py b/tests/tools/test_tools.py
index bb7925e..3ef4b32 100644
--- a/tests/tools/test_tools.py
+++ b/tests/tools/test_tools.py
@@ -8,7 +8,7 @@ class TestCustomerTools:
 
     def test_db_should_be_populated(self, seed, session):
         test = session.query(Customer).all()
-        # print(test)
+        assert test != None
 
     def test_list_should_return_all_customers(self, seed, session):
         tools = CustomerTools(session)
@@ -31,7 +31,18 @@ class TestCollaboratorTools:
         assert reply == 1
 
     def test_should_reply_id_by_team_id(self, seed, session):
-        pass
+        tool = CollaboratorTools(session)
+        reply = tool.get_by_team_id(1)
+        assert len(reply) == 1
+        reply = tool.get_by_team_id(2)
+        assert len(reply) == 2
+
+    def test_should_reply_team_id_by_name(self, seed, session):
+        tool = CollaboratorTools(session)
+        reply = tool.get_team_by_name("Col1")
+        reply2 = tool.get_team_by_name("Col2")
+        assert reply == 1
+        assert reply2 == 2
 
 class TestPasswordTools: