Add integration test to reproduce the issue

tests/bugfixes/github/test_issue_428.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+
+import system_tests
+
+
+class PngReadRawProfile(metaclass=system_tests.CaseMeta):
+
+    url = "https://github.com/Exiv2/exiv2/issues/428"
+
+    filenames = [
+        system_tests.path("$data_path/issue_428_poc1.png"),
+        system_tests.path("$data_path/issue_428_poc2.png")
+    ]
+
+    commands = ["$exiv2 " + fname for fname in filenames]
+    stdout = [""] * 2
+    stderr = [
+        """$exiv2_exception_message """ + fname + """:
+$kerFailedToReadImageData
+"""
+        for fname in filenames
+    ]
+    retval = [1] * 2