Fix item collection (#41)

* Fix item collection

* Fix linting

* Update Changelog

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.6.2] - 2022/05/30
+
+### Fixed
+
+* Fix item collection in case no test cases are selected
+
 ## [5.6.1] - 2022/05/24
 
 ### Fixed

pytest_adaptavist/_pytest_adaptavist.py

@@ -853,8 +853,10 @@ def _setup_item_collection(
         self, items: list[pytest.Item], collected_project_keys: list[str], collected_items: dict[str, list[pytest.Item]]
     ):
         """Setup and prepare collection of available test methods."""
-        if items:
-            config = items[0].config
+        if not items:
+            return
+
+        config = items[0].config
 
         # define the test case keys to be processed
         test_case_keys = self.test_case_keys