Tune older-pytest CI config

Author: Zac-HD

.github/workflows/main.yml

@@ -42,10 +42,9 @@ jobs:
           - audit-conjecture-rust
           - lint-conjecture-rust
           - check-nose
-          - check-pytest4
-          - check-pytest5
-          - check-pytest6
-          - check-pytest7
+          - check-pytest46
+          - check-pytest54
+          - check-pytest62
           - check-django40
           - check-django32
           - check-django22

hypothesis-python/tox.ini

@@ -103,25 +103,25 @@ deps =
 commands=
     nosetests tests/cover/test_testdecorators.py
 
-[testenv:pytest4]
+[testenv:pytest46]
 deps =
     -r../requirements/test.txt
 commands=
-    pip install pytest==4.* pytest-xdist==1.34
+    pip install pytest==4.6.11 pytest-xdist==1.34
     python -bb -X dev -m pytest tests/pytest tests/cover/test_testdecorators.py
 
-[testenv:pytest5]
+[testenv:pytest54]
 deps =
     -r../requirements/test.txt
 commands=
-    pip install pytest==5.* pytest-xdist
+    pip install pytest==5.4.3 pytest-xdist
     python -bb -X dev -m pytest tests/pytest tests/cover/test_testdecorators.py
 
-[testenv:pytest6]
+[testenv:pytest62]
 deps =
     -r../requirements/test.txt
 commands=
-    pip install pytest==6.* pytest-xdist
+    pip install pytest==6.2.5 pytest-xdist
     python -bb -X dev -m pytest tests/pytest tests/cover/test_testdecorators.py
 
 [testenv:pytest7]

tooling/src/hypothesistooling/__main__.py

@@ -451,7 +451,7 @@ def check_pypy38():
 
 @task()
 def tox(*args):
-    if len(args) == 0:
+    if len(args) < 2:
         print("Usage: ./build.sh tox TOX_ENV PY_VERSION [tox args]")
         sys.exit(1)
     run_tox(args[0], args[1], *args[2:])
@@ -462,10 +462,9 @@ def standard_tox_task(name):
 
 
 standard_tox_task("nose")
-standard_tox_task("pytest4")
-standard_tox_task("pytest5")
-standard_tox_task("pytest6")
-standard_tox_task("pytest7")
+standard_tox_task("pytest46")
+standard_tox_task("pytest54")
+standard_tox_task("pytest62")
 
 for n in [22, 32, 40]:
     standard_tox_task(f"django{n}")