[MINOR] Fix ComponentTests
[MINOR] Fix ComponentTests

While debugging why the tests failed, the component tests
were changed such that they don't return exit codes based on parsing or
failing. This commit fixes that, by changing component tests to use
the same script as function- and application tests.

apache/incubator-systemml,apache/incubator-systemml,apache/incubator-systemml,apache/incubator-systemml,apache/incubator-systemml,apache/incubator-systemml