vitalikaz

Add phpdoc blocks for tryCatch calls

1

First of all, thanks guys for https://github.com/rialto-php/puphpeteer/pull/38. It makes live a bit easier :) Currently we generate phpdoc blocks from official puppeteer JS documentation. But it might be not enough...

ksql-test-runner tool should return non-zero code on test failure

3

Currently `ksql-test-runner` tool returns `0` exit code even if tests fail. It brings some inconvenience running this tool e.g. in CI environment. One has to check the output of `stdout`...