diff --git a/moto/iam/models.py b/moto/iam/models.py
index 83b5094da..8857abef5 100644
--- a/moto/iam/models.py
+++ b/moto/iam/models.py
@@ -295,7 +295,6 @@ class IAMBackend(BaseBackend):
         except KeyError:
             raise BotoServerError(404, 'Not Found')
 
-        print('username={}'.format(key.user_name))
         return key
 
     def get_all_access_keys(self, user_name, marker=None, max_items=None):
diff --git a/tests/test_iam/test_iam.py b/tests/test_iam/test_iam.py
index 867da98f8..b5f75f578 100644
--- a/tests/test_iam/test_iam.py
+++ b/tests/test_iam/test_iam.py
@@ -66,7 +66,8 @@ def test_create_role_and_instance_profile():
 def test_create_group():
     conn = boto.connect_iam()
     conn.create_group('my-group')
-    assert_raises(BotoServerError, conn.create_group, 'my-group')
+    with assert_raises(BotoServerError):
+        conn.create_group('my-group')
 
 
 @mock_iam()
@@ -74,20 +75,23 @@ def test_get_group():
     conn = boto.connect_iam()
     conn.create_group('my-group')
     conn.get_group('my-group')
-    assert_raises(BotoServerError, conn.get_group, 'not-group')
+    with assert_raises(BotoServerError):
+        conn.get_group('not-group')
 
 
 @mock_iam()
 def test_create_user():
     conn = boto.connect_iam()
     conn.create_user('my-user')
-    assert_raises(BotoServerError, conn.create_user, 'my-user')
+    with assert_raises(BotoServerError):
+        conn.create_user('my-user')
 
 
 @mock_iam()
 def test_get_user():
     conn = boto.connect_iam()
-    assert_raises(BotoServerError, conn.get_user, 'my-user')
+    with assert_raises(BotoServerError):
+        conn.get_user('my-user')
     conn.create_user('my-user')
     conn.get_user('my-user')
 
@@ -95,9 +99,11 @@ def test_get_user():
 @mock_iam()
 def test_add_user_to_group():
     conn = boto.connect_iam()
-    assert_raises(BotoServerError, conn.add_user_to_group, 'my-group', 'my-user')
+    with assert_raises(BotoServerError):
+        conn.add_user_to_group('my-group', 'my-user')
     conn.create_group('my-group')
-    assert_raises(BotoServerError, conn.add_user_to_group, 'my-group', 'my-user')
+    with assert_raises(BotoServerError):
+        conn.add_user_to_group('my-group', 'my-user')
     conn.create_user('my-user')
     conn.add_user_to_group('my-group', 'my-user')
 
@@ -105,10 +111,12 @@ def test_add_user_to_group():
 @mock_iam()
 def test_remove_user_from_group():
     conn = boto.connect_iam()
-    assert_raises(BotoServerError, conn.remove_user_from_group, 'my-group', 'my-user')
+    with assert_raises(BotoServerError):
+        conn.remove_user_from_group('my-group', 'my-user')
     conn.create_group('my-group')
     conn.create_user('my-user')
-    assert_raises(BotoServerError, conn.remove_user_from_group, 'my-group', 'my-user')
+    with assert_raises(BotoServerError):
+        conn.remove_user_from_group('my-group', 'my-user')
     conn.add_user_to_group('my-group', 'my-user')
     conn.remove_user_from_group('my-group', 'my-user')
 
@@ -116,7 +124,8 @@ def test_remove_user_from_group():
 @mock_iam()
 def test_create_access_key():
     conn = boto.connect_iam()
-    assert_raises(BotoServerError, conn.create_access_key, 'my-user')
+    with assert_raises(BotoServerError):
+        conn.create_access_key('my-user')
     conn.create_user('my-user')
     conn.create_access_key('my-user')
 
@@ -149,6 +158,7 @@ def test_delete_access_key():
 @mock_iam()
 def test_delete_user():
     conn = boto.connect_iam()
-    assert_raises(BotoServerError, conn.delete_user, 'my-user')
+    with assert_raises(BotoServerError):
+        conn.delete_user('my-user')
     conn.create_user('my-user')
     conn.delete_user('my-user')