Running 'rosmake -a -t' I get some test failures. I'm not sure what's
failing though... the code or the test framework.

Some abbreviated examples of the two types I'm seeing:


===
 ERRORS/FAILURES:
 
[robot_pose_ekf.rostest__test_test_robot_pose_ekf_zero_covariance/testtest_robot_pose_ekf][FAILURE]
  Test Fixture Nodes ['rosbag'] failed to launch
<snip>
 PACKAGES:
   * robot_pose_ekf
===

===
ERRORS/FAILURES:
 
[test_tf2.test_convert/test_ran][FAILURE]---------------------------------------
  Unable to find test results for TEST-test_convert.xml, test did not
run. Expected results in
/home/teh/.ros/test_results/test_tf2/TEST-test_convert.xml
<snip>
 PACKAGES:
   * test_tf2


  SUMMARY
   * RESULT: FAIL
   * TESTS: 5
   * ERRORS: 0
   * FAILURES: 5
===


Suggestions on how to proceed?

Regards,

Traveler