Fix up test logic

tests/test_wolverine.py

@@ -1,7 +1,8 @@
 import os
+import json
 import pytest
 import tempfile
-from wolverine import apply_changes
+from wolverine import apply_changes, json_validated_response
 
 
 @pytest.fixture(scope='function')
@@ -31,14 +32,14 @@ def test_apply_changes_replace(temp_file):
 def test_apply_changes_delete(temp_file):
     # Make a "delete" change to the third line
     changes = [
-        {"operation": "Delete", "line": 3},
+        {"operation": "Delete", "line": 3, "content": ""},
     ]
     apply_changes(temp_file, changes)
 
     # Check that the file was updated correctly
     with open(temp_file) as f:
         content = f.read()
-        assert content == "first line\nsecond line"
+        assert content == "first line\nsecond line\n"
 
 
 def test_apply_changes_insert(temp_file):
@@ -51,4 +52,5 @@ def test_apply_changes_insert(temp_file):
     # Check that the file was updated correctly
     with open(temp_file) as f:
         content = f.read()
-        assert content == "first line\nsecond line\ninserted line"
+        assert content == 'first line\nsecond line\ninserted line\nthird line'
+