Timeout the tests instead of just hanging indefinitely

Signed-off-by: Pedro Algarvio <palgarvio@vmware.com>

pytest.ini

@@ -8,3 +8,5 @@ python_files=test_*.py
 python_classes=Test*
 python_functions = test_*
 junit_family=xunit2
+# Only the tests should count towards timeouts
+timeout_func_only = true

tests/pytests/unit/utils/test_aws.py

@@ -16,6 +16,13 @@ import salt.utils.aws as aws
 from tests.support.helpers import patched_environ
 from tests.support.mock import MagicMock, patch
 
+pytestmark = [
+    # Skip testing on windows since it does not support signals
+    # which is what the timeout marker is using.
+    pytest.mark.skip_on_windows,
+    pytest.mark.timeout(60, method="signal"),
+]
+
 
 @pytest.fixture(autouse=True)
 def _cleanup():