fix tests

Signed-off-by: Bernat Gabor <bgabor8@bloomberg.net>

tests/unit/discovery/py_info/test_py_info.py

@@ -131,25 +131,26 @@ def test_py_info_cached_symlink_error(mocker, tmp_path):
 def test_py_info_cache_clear(mocker, tmp_path):
     spy = mocker.spy(cached_py_info, "_run_subprocess")
     assert PythonInfo.from_exe(sys.executable) is not None
-    assert spy.call_count == 2  # at least two, one for the venv, one more for the host
+    assert spy.call_count >= 2  # at least two, one for the venv, one more for the host
     PythonInfo.clear_cache()
     assert PythonInfo.from_exe(sys.executable) is not None
-    assert spy.call_count == 4
+    assert spy.call_count >= 4
 
 
 @pytest.mark.skipif(not fs_supports_symlink(), reason="symlink is not supported")
 def test_py_info_cached_symlink(mocker, tmp_path):
     spy = mocker.spy(cached_py_info, "_run_subprocess")
     first_result = PythonInfo.from_exe(sys.executable)
     assert first_result is not None
-    assert spy.call_count == 2  # at least two, one for the venv, one more for the host
+    count = spy.call_count
+    assert count >= 2  # at least two, one for the venv, one more for the host
 
     new_exe = tmp_path / "a"
     new_exe.symlink_to(sys.executable)
     new_exe_str = str(new_exe)
     second_result = PythonInfo.from_exe(new_exe_str)
     assert second_result.executable == new_exe_str
-    assert spy.call_count == 3  # no longer needed the host invocation, but the new symlink is must
+    assert spy.call_count == count + 1  # no longer needed the host invocation, but the new symlink is must
 
 
 PyInfoMock = namedtuple("PyInfoMock", ["implementation", "architecture", "version_info"])

tox.ini

@@ -30,8 +30,6 @@ passenv = https_proxy http_proxy no_proxy HOME PYTEST_* PIP_* CI_RUN TERM
 extras = testing
 install_command = python -m pip install {opts} {packages} --disable-pip-version-check
 commands =
-    python -m site
-    python -m pip list
     python -c 'from os.path import sep; file = open(r"{envsitepackagesdir}\{\}coverage-virtualenv.pth".format(sep), "w"); file.write("import coverage; coverage.process_startup()"); file.close()'
     python -m coverage erase