diff --git a/tests/test_new.diff b/tests/test_new.diff
index 56b1f92..88f647f 100644
--- a/tests/test_new.diff
+++ b/tests/test_new.diff
@@ -347,37 +347,6 @@ index 0000000..525e25d
 +++ b/example_file.qmd
 @@ -0,0 +0,1 @@
 +<!-- TODO: Check RMarkdown comments work -->
-diff --git a/config.jsonc b/config.jsonc
-new file mode 100644
-index 0000000..525e25d
---- /dev/null
-+++ b/config.jsonc
-@@ -0,0 +0,11 @@
-+{
-+  "myConfig": [
-+ /*
-+   GitRepository where 'Git release/tag'
-+   matches 'Helm' version
-+ */
-+ "itIsWonderful",
-+ // TODO: Delete this line from the codebase
-+ "butItHasSomePendingActivities"
-+ ]
-+}
-diff --git a/config.json5 b/config.json5
-new file mode 100644
-index 0000000..525e25d
---- /dev/null
-+++ b/config.json5
-@@ -0,0 +0,8 @@
-+{
-+  "myConfig": [
-+ // GitRepository where 'Git release/tag' matches 'Helm' version
-+ "itIsWonderful",
-+ // TODO: Delete this line from the codebase
-+ "butItHasSomePendingActivities"
-+ ]
-+}
 diff --git a/example.clj b/example.clj
 new file mode 100644
 index 0000000..525e25d
diff --git a/tests/test_new2.diff b/tests/test_new2.diff
new file mode 100644
index 0000000..f145ea6
--- /dev/null
+++ b/tests/test_new2.diff
@@ -0,0 +1,31 @@
+diff --git a/config.jsonc b/config.jsonc
+new file mode 100644
+index 0000000..525e25d
+--- /dev/null
++++ b/config.jsonc
+@@ -0,0 +0,11 @@
++{
++  "myConfig": [
++ /*
++   GitRepository where 'Git release/tag'
++   matches 'Helm' version
++ */
++ "itIsWonderful",
++ // TODO: Delete this line from the codebase
++ "butItHasSomePendingActivities"
++ ]
++}
+diff --git a/config.json5 b/config.json5
+new file mode 100644
+index 0000000..525e25d
+--- /dev/null
++++ b/config.json5
+@@ -0,0 +0,8 @@
++{
++  "myConfig": [
++ // GitRepository where 'Git release/tag' matches 'Helm' version
++ "itIsWonderful",
++ // TODO: Delete this line from the codebase
++ "butItHasSomePendingActivities"
++ ]
++}
diff --git a/tests/test_process_diff.py b/tests/test_process_diff.py
index 0867716..769412e 100644
--- a/tests/test_process_diff.py
+++ b/tests/test_process_diff.py
@@ -48,7 +48,7 @@ class IssueUrlInsertionTest(unittest.TestCase):
         # process the diffs
         process_diff(diff=self.diff_file, insert_issue_urls=True, parser=self.parser, output=output)
         # make sure the number of issue URL comments inserted is as expected
-        self.assertEqual(output.getvalue().count('Issue URL successfully inserted'), 82)
+        self.assertEqual(output.getvalue().count('Issue URL successfully inserted'), 80)
 
     def tearDown(self):
         # return to original working directory to ensure we don't mess up other tests
diff --git a/tests/test_todo_parser.py b/tests/test_todo_parser.py
index c97c5f2..34b94c1 100644
--- a/tests/test_todo_parser.py
+++ b/tests/test_todo_parser.py
@@ -16,13 +16,16 @@ def count_issues_for_file_type(raw_issues, file_type):
 class NewIssueTest(unittest.TestCase):
     # Check for newly added TODOs across the files specified.
     def setUp(self):
-        diff_file = open('tests/test_new.diff', 'r')
-        diff_file2 = open('tests/test_edit.diff', 'r')
         parser = TodoParser()
+        self.raw_issues = []
         with open('syntax.json', 'r') as syntax_json:
             parser.syntax_dict = json.load(syntax_json)
-        self.raw_issues = parser.parse(diff_file)
-        self.raw_issues.extend(parser.parse(diff_file2))
+        with open('tests/test_new.diff', 'r') as diff_file:
+            self.raw_issues.extend(parser.parse(diff_file))
+        with open('tests/test_new2.diff', 'r') as diff_file:
+            self.raw_issues.extend(parser.parse(diff_file))
+        with open('tests/test_edit.diff', 'r') as diff_file:
+            self.raw_issues.extend(parser.parse(diff_file))
 
     def test_python_issues(self):
         # Includes 4 tests for Starlark.