Add details to CTest test results

[rotu]

before

colcon test-result --verbose                        
build/osrf_testing_tools_cpp/Testing/20200212-2242/Test.xml: 4 tests, 0 errors, 1 failure, 0 skipped

Summary: 4 tests, 0 errors, 1 failure, 0 skipped

After:

colcon test-result --verbose
build/osrf_testing_tools_cpp/Testing/20200212-2242/Test.xml: 4 tests, 0 errors, 1 failure, 0 skipped
- (test_osrf_testing_tools_cpp_filter_versions_cmake)
  <<< failure message
    CMake Error: Error processing file: /opt/ros/master/src/osrf/osrf_testing_tools_cpp/osrf_testing_tools_cpp/test/cmake/test/cmake/test_osrf_testing_tools_cpp_filter_versions.cmake
  >>>

Summary: 4 tests, 0 errors, 1 failure, 0 skipped

[dirk-thomas]

Thanks for the improvement.