def api_call_with_wt_rollback_wt__oldest_for_eviction(self):
        """
        Try to insert a key value pair while the cache is full.
        """
        # Configure the connection with the min cache size.
        self.conn.reconfigure('cache_size=1MB')

        # Create a basic table.
        self.session.create(self.uri, 'key_format=S,value_format=S')

        cursor = self.session.open_cursor(self.uri)

        # Start a new transaction and insert a value far too large for cache.
        self.session.begin_transaction()
        cursor.set_key("key_a")
        cursor.set_value("a"*1024*5000)
        self.assertEqual(0, cursor.update())
        self.session.commit_transaction()
        # Let WiredTiger's accounting catch up.
        time.sleep(2)

        # Attempt to insert another value with the same transaction. This will result in the
        # application thread being pulled into eviction and getting rolled back.
        cursor.set_key("key_b")
        cursor.set_value("b"*1024)

        # Catch the default reason for WT_ROLLBACK errors.
        self.assertRaisesException(wiredtiger.WiredTigerError, lambda: cursor.update())