Adding test files

tests/bugfixes/github/test_issue_984.py

@@ -0,0 +1,20 @@
+import system_tests
+
+
+class XMPMetaDeleteNamespace(
+        metaclass=system_tests.CaseMeta):
+    """
+    Regression test for the bug described in:
+    https://github.com/Exiv2/exiv2/issues/984
+    """
+    url = "https://github.com/Exiv2/exiv2/issues/984"
+
+    filename = system_tests.path(
+        "$data_path/issue_94_poc3.pgf"
+    )
+    commands = ["$exiv2json $filename"]
+    stdout = ["""Caught Exiv2 exception 'XMP Toolkit error 9: Fatal namespace map problem'
+"""]
+    stderr = ["""Warning: Removing 54 characters from the beginning of the XMP packet
+"""]
+    retval = [1]