tests: create new make targets for tests

Link: https://github.com/GeneAssembly/biosal/issues/767
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
tests: use new target names for tests

Link: https://github.com/GeneAssembly/biosal/issues/767
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
tests: move example test list to tests/

Link: https://github.com/GeneAssembly/biosal/issues/767
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
tests: rename integration tests to application tests

Link: https://github.com/GeneAssembly/biosal/issues/767
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
tests: add maximum test count option

Link: https://github.com/GeneAssembly/biosal/issues/767
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
tests: add JUnit XML output for application tests

Link: https://github.com/GeneAssembly/biosal/issues/767
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>