Kill all after test.

git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/branches/tomee-1.7.x@1610740 13f79535-47bb-0310-9956-ffa450edef68
OneToManyTests, AbstractCMRTest - try synchronization
ManagedScheduledExecutorServiceTest - Reset per test


git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/branches/tomee-1.7.x@1610753 13f79535-47bb-0310-9956-ffa450edef68