Add test filter to 'qmk pytest' (#15432)

* Add test filter to 'qmk pytest'

* Bodge for some test filters not resolving qmk

* Update docs

1 files changed, 16 insertions, 1 deletions

diff --git a/docs/cli_commands.md b/docs/cli_commands.md
index 520da06c4..01241b00d 100644
--- a/docs/cli_commands.md
+++ b/docs/cli_commands.md
@@ -481,5 +481,20 @@ This command runs the python test suite. If you make changes to python code you
 **Usage**:
 
 ```
-qmk pytest
+qmk pytest [-t TEST]
 ```
+
+**Examples**:
+
+Run entire test suite:
+
+    qmk pytest
+
+Run test group:
+
+    qmk pytest -t qmk.tests.test_cli_commands
+
+Run single test:
+
+    qmk pytest -t qmk.tests.test_cli_commands.test_c2json
+    qmk pytest -t qmk.tests.test_qmk_path