FAB-15909 filter pkcs11/plugin in unit-test script
FAB-15909 filter pkcs11/plugin in unit-test script

When TEST_PKGS is used, it should apply to all phases of unit test
execution. This updates the script to additionally filter conditional
packages, pkcs11 packages, and plugin packages against the active test
candidates.

Change-Id: I799a093e4a42e32bb3a81f8f07ca53b014d56d39
Signed-off-by: Matthew Sykes <89c6e4c9c1046731a9c37abefc223a83de36a5d9@us.ibm.com>

manish-sethi/fabric-sidedb,muralisrini/fabric,jimthematrix/fabric,jimthematrix/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,hyperledger/fabric,binhn/fabric,binhn/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,manish-sethi/fabric,muralisrini/fabric,binhn/fabric,stemlending/fabric,muralisrini/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric