Merge "Speed up pyN-check-uc jobs"

Author: Zuul

tox.ini

@@ -13,23 +13,27 @@ commands =
 
 [testenv:py310-check-uc]
 basepython = python3.10
-deps = -r{toxinidir}/upper-constraints.txt
-commands = python -c 'print("done")'
+skip_install = true
+deps =
+commands = python -m pip install --dry-run -r{toxinidir}/upper-constraints.txt
 
 [testenv:py311-check-uc]
 basepython = python3.11
-deps = -r{toxinidir}/upper-constraints.txt
-commands = python -c 'print("done")'
+skip_install = true
+deps =
+commands = {[testenv:py310-check-uc]commands}
 
 [testenv:py312-check-uc]
 basepython = python3.12
-deps = -r{toxinidir}/upper-constraints.txt
-commands = python -c 'print("done")'
+skip_install = true
+deps =
+commands = {[testenv:py310-check-uc]commands}
 
 [testenv:py313-check-uc]
 basepython = python3.13
-deps = -r{toxinidir}/upper-constraints.txt
-commands = python -c 'print("done")'
+skip_install = true
+deps =
+commands = {[testenv:py310-check-uc]commands}
 
 [testenv:venv]
 commands = {posargs}