diff --git a/kata-solutions/christmas-tree/christmas-tree-python/run_tests.sh b/kata-solutions/christmas-tree/christmas-tree-python/run_tests.sh
index b53922b7..2ae03b89 100755
--- a/kata-solutions/christmas-tree/christmas-tree-python/run_tests.sh
+++ b/kata-solutions/christmas-tree/christmas-tree-python/run_tests.sh
@@ -1 +1 @@
-poetry run ptw --runner="poetry run mamba --format=documentation --enable-coverage tree_spec.py"
+poetry run mamba --format=documentation *_spec.py --enable-coverage && poetry run coverage html
diff --git a/kata-solutions/christmas-tree/christmas-tree-python/run_watch.sh b/kata-solutions/christmas-tree/christmas-tree-python/run_watch.sh
new file mode 100755
index 00000000..b53922b7
--- /dev/null
+++ b/kata-solutions/christmas-tree/christmas-tree-python/run_watch.sh
@@ -0,0 +1 @@
+poetry run ptw --runner="poetry run mamba --format=documentation --enable-coverage tree_spec.py"