Skip spin python on all older Pythons

Author: stefanv

spin/tests/test_build_cmds.py

@@ -7,7 +7,7 @@
 import pytest
 from testutil import (
     skip_on_windows,
-    skip_py38,
+    skip_py_lt_311,
     skip_unless_linux,
     skip_unless_macos,
     spin,
@@ -156,7 +156,7 @@ def test_lldb():
     assert "hi" in stdout(p)
 
 
-@skip_py38  # python command does not run on py38
+@skip_py_lt_311  # python command does not run on older pythons
 def test_parallel_builds():
     spin("build")
     spin("build", "-C", "parallel-build")

spin/tests/testutil.py

@@ -17,8 +17,8 @@
     not sys.platform.startswith("darwin"), reason="Skipped; platform not macOS"
 )
 
-skip_py38 = pytest.mark.skipif(
-    sys.version_info[:2] == (3, 8), reason="Skipped; Python 3.8"
+skip_py_lt_311 = pytest.mark.skipif(
+    sys.version_info[:2] < (3, 11), reason="Skipped; Python < 3.11"
 )