Windows Opensplice test_graph is flaky

[clalancette]

On some builds (https://ci.ros2.org/view/nightly/job/nightly_win_ospl_rel/36), the test_graph__rmw_opensplice_cpp test fails with the following output:

Stacktrace

-- run_test.py: extra environment variables:
 - RMW_IMPLEMENTATION=rmw_opensplice_cpp
-- run_test.py: extra environment variables to append:
 - PATH+=C:/J/workspace/nightly_win_ospl_rel/ws/build/rcl/Release
-- run_test.py: invoking following command in 'C:\J\workspace\nightly_win_ospl_rel\ws\src\ros2\rcl\rcl':
 - C:/J/workspace/nightly_win_ospl_rel/ws/build/rcl/test/Release/test_graph__rmw_opensplice_cpp.exe --gtest_output=xml:C:/J/workspace/nightly_win_ospl_rel/ws/build/rcl/test_results/rcl/test_graph__rmw_opensplice_cpp.gtest.xml
Running main() from gtest_main.cc
[==========] Running 6 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 6 tests from TestGraphFixture__rmw_opensplice_cpp
[ RUN      ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_get_and_destroy_topic_names_and_types
[       OK ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_get_and_destroy_topic_names_and_types (1442 ms)
[ RUN      ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_count_publishers
[       OK ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_count_publishers (1443 ms)
[ RUN      ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_count_subscribers
[       OK ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_count_subscribers (1440 ms)
[ RUN      ] TestGraphFixture__rmw_opensplice_cpp.test_graph_query_functions
[INFO] [rcl]: Using topic name: /test_graph_query_functions__1530778908542314100
[INFO] [rcl]: Expecting 0 publishers, 0 subscribers, and that the topic is not in the graph.
[INFO] [rcl]:  Try 1: 0 publishers, 0 subscribers, and that the topic is not in the graph.
[INFO] [rcl]:   state correct!
[INFO] [rcl]: Expecting 1 publishers, 0 subscribers, and that the topic is in the graph.
[INFO] [rcl]:  Try 1: 0 publishers, 0 subscribers, and that the topic is not in the graph.
[INFO] [rcl]:   state wrong, waiting up to '200000000' nanoseconds for graph changes... 
[INFO] [rcl]: change occurred
[INFO] [rcl]:  Try 2: 0 publishers, 0 subscribers, and that the topic is not in the graph.
[INFO] [rcl]:   state wrong, waiting up to '200000000' nanoseconds for graph changes... 
[INFO] [rcl]: change occurred
[INFO] [rcl]:  Try 3: 1 publishers, 0 subscribers, and that the topic is in the graph.
[INFO] [rcl]:   state correct!
[INFO] [rcl]: Expecting 1 publishers, 1 subscribers, and that the topic is in the graph.
[INFO] [rcl]:  Try 1: 1 publishers, 0 subscribers, and that the topic is in the graph.
[INFO] [rcl]:   state wrong, waiting up to '200000000' nanoseconds for graph changes... 
[INFO] [rcl]: change occurred
[INFO] [rcl]:  Try 2: 1 publishers, 1 subscribers, and that the topic is in the graph.
[INFO] [rcl]:   state correct!
[INFO] [rcl]: Expecting 0 publishers, 1 subscribers, and that the topic is in the graph.
[INFO] [rcl]:  Try 1: 1 publishers, 1 subscribers, and that the topic is in the graph.
[INFO] [rcl]:   state wrong, waiting up to '200000000' nanoseconds for graph changes... 
[INFO] [rcl]: change occurred
[INFO] [rcl]:  Try 2: 0 publishers, 1 subscribers, and that the topic is in the graph.
[INFO] [rcl]:   state correct!
[INFO] [rcl]: Expecting 0 publishers, 0 subscribers, and that the topic is not in the graph.
[INFO] [rcl]:  Try 1: 0 publishers, 1 subscribers, and that the topic is in the graph.
[INFO] [rcl]:   state wrong, waiting up to '200000000' nanoseconds for graph changes... 
[INFO] [rcl]: change occurred
[INFO] [rcl]:  Try 2: 0 publishers, 0 subscribers, and that the topic is not in the graph.
[INFO] [rcl]:   state correct!
[       OK ] TestGraphFixture__rmw_opensplice_cpp.test_graph_query_functions (1449 ms)
[ RUN      ] TestGraphFixture__rmw_opensplice_cpp.test_graph_guard_condition_topics
[INFO] [rcl]: waiting up to '200000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '200000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '200000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '200000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '200000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '200000000' nanoseconds for graph changes
[       OK ] TestGraphFixture__rmw_opensplice_cpp.test_graph_guard_condition_topics (2053 ms)
[ RUN      ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_service_server_is_available
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
[INFO] [rcl]: waiting up to '1000000000' nanoseconds for graph changes
C:\J\workspace\nightly_win_ospl_rel\ws\src\ros2\rcl\rcl\test\rcl\test_graph.cpp(550): error: Value of: is_available
  Actual: false
Expected: true
[  FAILED  ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_service_server_is_available (11461 ms)
[----------] 6 tests from TestGraphFixture__rmw_opensplice_cpp (19288 ms total)

[----------] Global test environment tear-down
[==========] 6 tests from 1 test case ran. (19288 ms total)
[  PASSED  ] 5 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] TestGraphFixture__rmw_opensplice_cpp.test_rcl_service_server_is_available

 1 FAILED TEST
-- run_test.py: return code 1
-- run_test.py: inject classname prefix into gtest result file 'C:/J/workspace/nightly_win_ospl_rel/ws/build/rcl/test_results/rcl/test_graph__rmw_opensplice_cpp.gtest.xml'
-- run_test.py: verify result file 'C:/J/workspace/nightly_win_ospl_rel/ws/build/rcl/test_results/rcl/test_graph__rmw_opensplice_cpp.gtest.xml'

[sloretz]

Haven't seen this in a while, so optimistically closing