Add back more missing docstrings

Author: greschd

tests/launcher/integration/simple_test_server.py

@@ -19,6 +19,7 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
+"""Module for test server."""
 
 from concurrent import futures
 import pathlib

tests/launcher/integration/test_simple_launcher.py

@@ -19,6 +19,7 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
+"""Test module for launcher."""
 
 from dataclasses import dataclass
 import pathlib
@@ -35,6 +36,8 @@
 
 @dataclass
 class OtherConfig:
+    """Mock configuration class for testing."""
+
     int_attr: int