Add pytest header with Qt versions

conftest.py

@@ -4,7 +4,21 @@
 
 import os
 
+import qtpy
+
+import qwt
 from qwt.tests.utils import TestEnvironment
 
 # Set the unattended environment variable to 1 to avoid any user interaction
 os.environ[TestEnvironment.UNATTENDED_ENV] = "1"
+
+
+def pytest_report_header(config):
+    """Add additional information to the pytest report header."""
+    qtbindings_version = qtpy.PYSIDE_VERSION
+    if qtbindings_version is None:
+        qtbindings_version = qtpy.PYQT_VERSION
+    return [
+        f"PythonQwt {qwt.__version__} [closest Qwt version: {qwt.QWT_VERSION_STR}]",
+        f"{qtpy.API_NAME} {qtbindings_version} [Qt version: {qtpy.QT_VERSION}]",
+    ]