Confirm that we can extrac snippets from XML.

Author: DavidSouther

aws_doc_sdk_examples_tools/snippets_test.py

@@ -60,6 +60,12 @@
             "snippet" + "-end:[this.is.a.snippet.tag]\n",
             1,
         ),
+        (
+            "<!-- snippet" + "-start:[xml.snippet] -->\n"
+            "<text>some xml</text>"
+            "<!-- snippet" + "-end:[xml.snippet] -->\n",
+            0
+        ),
     ],
 )
 def test_verify_snippet_start_end(file_contents: str, expected_error_count: int):
@@ -101,4 +107,4 @@ def test_strip_spdx_header():
         ]
     )
 
-    assert [] == snippets.strip_spdx_header([])
+    assert [] == snippets.strip_spdx_header([])