diff --git a/README.md b/README.md
index d220cfc..970e8bc 100644
--- a/README.md
+++ b/README.md
@@ -169,3 +169,7 @@ To test, first install this code locally, then run pytest:
 pip3 install .
 pytest
 ```
+Possible options for testing:
+* for more verbosity, add "-v" or even "-vv" like this: pytest -vv
+* to run just unit tests: pytest -munit
+* to run just integrstion tests: pytest -mint
diff --git a/meshtastic/test/.test_node.py.swp b/meshtastic/test/.test_node.py.swp
new file mode 100644
index 0000000..1df257b
Binary files /dev/null and b/meshtastic/test/.test_node.py.swp differ
diff --git a/meshtastic/tests/test_int.py b/meshtastic/test/test_int.py
similarity index 100%
rename from meshtastic/tests/test_int.py
rename to meshtastic/test/test_int.py
diff --git a/meshtastic/test/test_node.py b/meshtastic/test/test_node.py
new file mode 100644
index 0000000..0650aa5
--- /dev/null
+++ b/meshtastic/test/test_node.py
@@ -0,0 +1,16 @@
+"""Meshtastic unit tests for node.py"""
+import re
+import subprocess
+import platform
+
+import pytest
+
+from meshtastic.node import pskToString
+
+@pytest.mark.unit
+def test_pskToString():
+    """Test pskToString"""
+    assert pskToString('') == 'unencrypted'
+    assert pskToString(bytes([0x00])) == 'unencrypted'
+    assert pskToString(bytes([0x01])) == 'default'
+    assert pskToString(bytes([0x02, 0x01])) == 'secret'
diff --git a/pytest.ini b/pytest.ini
index 35e4231..9c7d72e 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,4 +1,5 @@
 [pytest]
 
 markers =
-    int: marks tests as integration
+    unit: marks tests as unit tests
+    int: marks tests as integration tests