* src/testsuite/lsh-1-test: Use test_success.
* src/testsuite/lsh-2-test: Likewise.
* src/testsuite/lsh-3-test: Likewise.
* src/testsuite/lsh-4-test: Likewise.
* src/testsuite/tcpip-local-test: Likewise.
* src/testsuite/tcpip-remote-test: Likewise.

* src/testsuite/keygen-2-test: Use functions.sh and test_success.
* src/testsuite/keygen-test: Likewise.

Rev: src/testsuite/keygen-2-test:1.3
Rev: src/testsuite/keygen-test:1.6
Rev: src/testsuite/lsh-1-test:1.3
Rev: src/testsuite/lsh-2-test:1.3
Rev: src/testsuite/lsh-3-test:1.3
Rev: src/testsuite/lsh-4-test:1.2
Rev: src/testsuite/lsh-cat-test:1.3
Rev: src/testsuite/tcpip-local-test:1.3
Rev: src/testsuite/tcpip-remote-test:1.2