diff --git a/pythonFiles/tests/pytestadapter/.data/parametrize_tests.py b/pythonFiles/tests/pytestadapter/.data/parametrize_tests.py
index a39b7c26de9f..c4dbadc32d6e 100644
--- a/pythonFiles/tests/pytestadapter/.data/parametrize_tests.py
+++ b/pythonFiles/tests/pytestadapter/.data/parametrize_tests.py
@@ -15,6 +15,8 @@ def test_adding(actual, expected):
 
 # Testing pytest with parametrized tests. All three pass.
 # The tests ids are parametrize_tests.py::test_under_ten[1] and so on.
-@pytest.mark.parametrize("num", range(1, 3))  # test_marker--test_under_ten
-def test_under_ten(num):
-    assert num < 10
+@pytest.mark.parametrize(  # test_marker--test_string
+    "string", ["hello", "complicated split [] ()"]
+)
+def test_string(string):
+    assert string == "hello"
diff --git a/pythonFiles/tests/pytestadapter/expected_discovery_test_output.py b/pythonFiles/tests/pytestadapter/expected_discovery_test_output.py
index 2b2c07ab8ea7..31686d2b3b5d 100644
--- a/pythonFiles/tests/pytestadapter/expected_discovery_test_output.py
+++ b/pythonFiles/tests/pytestadapter/expected_discovery_test_output.py
@@ -594,46 +594,46 @@
                     ],
                 },
                 {
-                    "name": "test_under_ten",
+                    "name": "test_string",
                     "path": os.fspath(parameterize_tests_path),
                     "type_": "function",
                     "children": [
                         {
-                            "name": "[1]",
+                            "name": "[hello]",
                             "path": os.fspath(parameterize_tests_path),
                             "lineno": find_test_line_number(
-                                "test_under_ten[1]",
+                                "test_string[hello]",
                                 parameterize_tests_path,
                             ),
                             "type_": "test",
                             "id_": get_absolute_test_id(
-                                "parametrize_tests.py::test_under_ten[1]",
+                                "parametrize_tests.py::test_string[hello]",
                                 parameterize_tests_path,
                             ),
                             "runID": get_absolute_test_id(
-                                "parametrize_tests.py::test_under_ten[1]",
+                                "parametrize_tests.py::test_string[hello]",
                                 parameterize_tests_path,
                             ),
                         },
                         {
-                            "name": "[2]",
+                            "name": "[complicated split [] ()]",
                             "path": os.fspath(parameterize_tests_path),
                             "lineno": find_test_line_number(
-                                "test_under_ten[2]",
+                                "test_string[1]",
                                 parameterize_tests_path,
                             ),
                             "type_": "test",
                             "id_": get_absolute_test_id(
-                                "parametrize_tests.py::test_under_ten[2]",
+                                "parametrize_tests.py::test_string[complicated split [] ()]",
                                 parameterize_tests_path,
                             ),
                             "runID": get_absolute_test_id(
-                                "parametrize_tests.py::test_under_ten[2]",
+                                "parametrize_tests.py::test_string[complicated split [] ()]",
                                 parameterize_tests_path,
                             ),
                         },
                     ],
-                    "id_": "parametrize_tests.py::test_under_ten",
+                    "id_": "parametrize_tests.py::test_string",
                 },
             ],
         },
diff --git a/pythonFiles/tests/pytestadapter/helpers.py b/pythonFiles/tests/pytestadapter/helpers.py
index 7195cfe43ea5..b534e950945a 100644
--- a/pythonFiles/tests/pytestadapter/helpers.py
+++ b/pythonFiles/tests/pytestadapter/helpers.py
@@ -12,6 +12,10 @@
 import uuid
 from typing import Any, Dict, List, Optional, Tuple
 
+script_dir = pathlib.Path(__file__).parent.parent.parent
+sys.path.append(os.fspath(script_dir))
+sys.path.append(os.fspath(script_dir / "lib" / "python"))
+
 TEST_DATA_PATH = pathlib.Path(__file__).parent / ".data"
 from typing_extensions import TypedDict
 
diff --git a/pythonFiles/vscode_pytest/__init__.py b/pythonFiles/vscode_pytest/__init__.py
index 3d5bde44204f..9e315d7919bb 100644
--- a/pythonFiles/vscode_pytest/__init__.py
+++ b/pythonFiles/vscode_pytest/__init__.py
@@ -392,9 +392,9 @@ def build_test_tree(session: pytest.Session) -> TestNode:
         elif hasattr(test_case, "callspec"):  # This means it is a parameterized test.
             function_name: str = ""
             # parameterized test cases cut the repetitive part of the name off.
-            name_split = test_node["name"].split("[")
-            test_node["name"] = "[" + name_split[1]
-            parent_path = os.fspath(get_node_path(test_case)) + "::" + name_split[0]
+            parent_part, parameterized_section = test_node["name"].split("[", 1)
+            test_node["name"] = "[" + parameterized_section
+            parent_path = os.fspath(get_node_path(test_case)) + "::" + parent_part
             try:
                 function_name = test_case.originalname  # type: ignore
                 function_test_case = function_nodes_dict[parent_path]