TST: add pytest-localserver to dev deps (#57893)

Author: jbrockmendel

environment.yml

@@ -17,6 +17,7 @@ dependencies:
   - pytest-cov
   - pytest-xdist>=2.2.0
   - pytest-qt>=4.2.0
+  - pytest-localserver
   - pyqt>=5.15.9
   - coverage
 

requirements-dev.txt

@@ -10,6 +10,7 @@ pytest>=7.3.2
 pytest-cov
 pytest-xdist>=2.2.0
 pytest-qt>=4.2.0
+pytest-localserver
 PyQt5>=5.15.9
 coverage
 python-dateutil