value of: map.get(cloud.google.com/java/spanner/get_session_timeouts)
expected: 0
but was : 1
map was : {cloud.google.com/java/spanner/max_in_use_sessions=2, cloud.google.com/java/spanner/in_use_sessions=2, cloud.google.com/java/spanner/get_session_timeouts=1, cloud.google.com/java/spanner/max_allowed_sessions=2, cloud.google.com/java/spanner/num_acquired_sessions=2, cloud.google.com/java/spanner/num_released_sessions=0}
at com.google.cloud.spanner.SessionPoolTest.testSessionMetrics(SessionPoolTest.java:1692)
