[tests] Complete IN deterministic and legacy test suite

Added one "dummy" setup test

test/functional/feature_in_setup.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+# Copyright (c) 2017-2018 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test basic validation checks on a simulated IN chain"""
+# Imports should be in PEP8 ordering (std library first, then third party
+# libraries then local imports).
+from collections import defaultdict
+
+# Avoid wildcard * imports if possible
+from test_framework.blocktools import (create_block, create_coinbase)
+from test_framework.messages import CInv
+from test_framework.mininode import (
+    P2PInterface,
+    mininode_lock,
+    msg_block,
+    msg_getdata,
+)
+from test_framework.test_framework import SinTestFramework
+from test_framework.util import (
+    assert_equal,
+    connect_nodes,
+    wait_until,
+)
+
+class INSetupTest(SinTestFramework):
+
+    def set_test_params(self):
+        """Override test parameters for your individual test.
+
+        This method must be overridden and num_nodes must be exlicitly set."""
+        self.setup_clean_chain = True
+        self.num_nodes = 12
+        # Use self.extra_args to change command-line arguments for the nodes
+        #self.extra_args = [[], ["-logips"], []]
+        self.enable_mocktime()
+
+    def run_test(self):
+        """Main test logic"""
+        self.nodes[0].add_p2p_connection(BaseNode())
+
+        self.setup_infinitynode_params(3)
+
+        self.log.info("Deterministic IN setup starting")
+
+        self.init_infinitynodes(True)
+
+        self.nodes[0].generate(20)
+
+        self.log.info("Deterministic IN setup concluded successfully")
+
+if __name__ == '__main__':
+    INSetupTest().main()