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diff --git a/src/third_party/wiredtiger/test/suite/test_cursor15.py b/src/third_party/wiredtiger/test/suite/test_cursor15.py
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+#!/usr/bin/env python
+#
+# Public Domain 2014-2018 MongoDB, Inc.
+# Public Domain 2008-2014 WiredTiger, Inc.
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# test_cursor15.py
+#   Cursors: read_once configuration
+#
+
+import wttest
+from wiredtiger import stat
+
+class test_cursor15(wttest.WiredTigerTestCase):
+    tablename = 'test_read_once'
+    uri = 'table:' + tablename
+
+    conn_config = 'cache_size=1M,statistics=(all)'
+
+    def test_cursor15(self):
+        # This test is configured to use 1MB of cache. It will insert 20
+        # documents, each 100KB. Manipulate the table to result in one page per
+        # document.
+        self.session.create(self.uri,
+            'key_format=i,value_format=S,leaf_page_max=108K,leaf_value_max=108K')
+
+        cursor = self.session.open_cursor(self.uri, None, None)
+        for key in range(0, 20):
+            cursor[key] = '1' * (100 * 1024)
+        cursor.close()
+
+        # Restart the database to clear the cache and reset statistics.
+        self.reopen_conn()
+
+        # We don't restart the database between runs to exercise that read_once
+        # plays nice with cursor caching. Note, there are no reliable statistics
+        # to check that read_once behaves as expected. The future may introduce a
+        # statistic for WT_READ_WONT_NEED being exercised. That may work as a
+        # suitable side-effect to observe here.
+        for cursor_conf in ["read_once=true", None]:
+            # Table scan ~2MB of data when only given 1MB of cache.
+            cursor = self.session.open_cursor(self.uri, None, cursor_conf)
+            for key, value in cursor:
+                pass
+            cursor.close()
+
+if __name__ == '__main__':
+    wttest.run()