This patch add scale/modify functional tests of v2 APIs to the following test cases: * Test basic lcms for v2 api Max pattern. * Test basic lcms for v2 api Min pattern. * Test rollback update VNF for v2 api. * Test update and scale out's before/after for v2 api. Implements: blueprint support-nfv-solv3-scale-vnf Implements: blueprint support-nfv-solv3-modify-vnf Closes-bug: #1962564 Change-Id: I0826f1c580a56cec860d59ae0eeb197e8d30f344