tests: make tests less make dependent

Implement command line argument parsing instead of passing arguments via
environment variables. Add script for running tests without having to
invoke make. Deprecate running tests via make.

Type: improvement
Change-Id: I2e3054a61a2ae25d460e9be00be7d7705fbf943e
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
diff --git a/test/test_nat66.py b/test/test_nat66.py
index e323621..02b2882 100644
--- a/test/test_nat66.py
+++ b/test/test_nat66.py
@@ -8,7 +8,7 @@
 from io import BytesIO
 
 import scapy.compat
-from framework import VppTestCase, VppTestRunner, running_extended_tests
+from framework import VppTestCase, VppTestRunner
 from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
 from scapy.all import bind_layers, Packet, ByteEnumField, ShortField, \
     IPField, IntField, LongField, XByteField, FlagsField, FieldLenField, \