Create a unit-test plugin

Move the tcp unit test to the plugin
Add a bihash unit test and a "make test" program to call it
Adjust framework.py to load the plugin, which is disabled by default

Change-Id: Ic229d386a56a9d28dbd54974f231149053ca8f93
Signed-off-by: Dave Barach <dave@barachs.net>

test/test_bihash.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
+
+
+class TestTCP(VppTestCase):
+    """ Bihash Test Cases """
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestTCP, cls).setUpClass()
+
+    def setUp(self):
+        super(TestTCP, self).setUp()
+
+    def tearDown(self):
+        super(TestTCP, self).tearDown()
+
+    def test_bihash_unittest(self):
+        """ Bihash Add/Del Test """
+        error = self.vapi.cli("test bihash ")
+
+        if error:
+            self.logger.critical(error)
+        self.assertEqual(error.find("failed"), -1)
+
+    def test_bihash_thread(self):
+        """ Bihash Thread Test """
+
+        error = self.vapi.cli("test bihash threads 2 nbuckets 64000")
+
+        if error:
+            self.logger.critical(error)
+            self.assertEqual(error.find("failed"), -1)
+
+if __name__ == '__main__':
+    unittest.main(testRunner=VppTestRunner)