support/testing: add python-mako runtime test

This new runtime test allows to make sure that the python-mako package
minimally works at runtime.

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/testing/tests/package/test_python_mako.py

@@ -0,0 +1,12 @@
+from tests.package.test_python import TestPythonPackageBase
+
+
+class TestPythonPy3Mako(TestPythonPackageBase):
+    __test__ = True
+    config = TestPythonPackageBase.config + \
+        """
+        BR2_PACKAGE_PYTHON3=y
+        BR2_PACKAGE_PYTHON_MAKO=y
+        """
+    sample_scripts = ["tests/package/sample_python_mako.py"]
+    timeout = 30