[SUREFIRE-528] Splitting tests names in two categories : success and failure

**[Emmanuel Lécharny](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=elecharny)** opened **[SUREFIRE-528](https://issues.apache.org/jira/browse/SUREFIRE-528?redirect=false)** and commented

We have to check all the *.txt files to find the ones which contain some errors. The fact that failed tests are listed before does not help a lot when you have hundred of tests run with sometime lot of logs.

I would rather propose that we either create two sub-directories (failure/success) or that we postfix tests.

A good example :

...
Tests run: 197, Failures: 1, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[ERROR] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] There are test failures.

Please refer to /home/elecharny/apacheds/mina/trunk/core/target/surefire-reports for the individual test results.
...

Would be better to have :

Please refer to /home/elecharny/apacheds/mina/trunk/core/target/surefire-reports/failure for the individual test failures.

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**Affects:** 2.0 (2.2 plugin)

**Issue Links:**
- [SUREFIRE-726](https://issues.apache.org/jira/browse/SUREFIRE-726) Test list preprocessor support for tests to be run

- [SUREFIRE-726](https://issues.apache.org/jira/browse/SUREFIRE-726) Test list preprocessor support for tests to be run
(_**"depends upon"**_)

Start by inspecting the current report output under target/surefire-reports and how Surefire presents failed tests and logs. Compare the proposed failure/success directories with postfixing test reports; the work is done when failed reports are easy to locate and the generated guidance points to their location.

Written by the indexing model from the issue text.