require setuptools in venv pytest-virtualenv tests

Author: IliaFeldgun

pytest-virtualenv/tests/integration/test_tmpvirtualenv.py

@@ -1,4 +1,5 @@
 import pathlib
+from sys import version
 
 import pytest_virtualenv as venv
 
@@ -17,6 +18,7 @@ def test_installed_packages():
 def test_install_version_from_current():
     with venv.VirtualEnv() as v:
         v.install_package("flask", "1.1.1")
+        v.install_package("setuptools", version=venv.PackageVersion.LATEST)
         v.install_package("virtualenv", version=venv.PackageVersion.CURRENT)
         v.install_package("pytest-virtualenv", version=venv.PackageVersion.CURRENT)
         out = v.run([
@@ -43,6 +45,7 @@ def test_install_egg_link_from_current(tmp_path):
     with venv.VirtualEnv() as v:
         v.install_package("pip")
         v.install_package("wheel")
+        v.install_package("setuptools", version=venv.PackageVersion.LATEST)
         v.install_package("virtualenv", version=venv.PackageVersion.CURRENT)
         v.install_package("pytest-virtualenv", version=venv.PackageVersion.CURRENT)
         v.run([v.python, "-m", "pip", "install", "-e", str(tmp_path)])