support/testing: add new python-ruamel-yaml runtime test

Signed-off-by: Marcus Hoffmann <buildroot@bubu1.eu>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/testing/tests/package/sample_python_ruamel_yaml.py

@@ -0,0 +1,27 @@
+from ruamel.yaml import YAML
+
+yaml_text = """
+Rootkey:
+  - ListEntry
+AnotherRootKey: some-string
+
+ListRoot:
+  - float-value: '1.0'
+    int-value: 10234
+    NestedList:
+      - 1
+      - 2
+
+  - another-float: '1.1'
+    another-int: 1111
+
+OneMoreRootKey: 9.99
+"""
+
+# Tests the pure python based implementation
+yaml = YAML(typ='safe', pure=True)
+
+parsed = yaml.load(yaml_text)
+
+assert parsed['OneMoreRootKey'] == 9.99
+assert parsed['ListRoot'][1]['another-int'] == 1111