test failure: sessionTokenConsistencyCollectionDeleteCreateSameName

Test `sessionTokenConsistencyCollectionDeleteCreateSameName` randomly fails.

```
[ERROR] Tests run: 256, Failures: 1, Errors: 0, Skipped: 1, Time elapsed: 756.216 s <<< FAILURE! - in TestSuite
[ERROR] sessionTokenConsistencyCollectionDeleteCreateSameName(com.microsoft.azure.cosmosdb.rx.CollectionCrudTest) Time elapsed: 50.021 s <<< FAILURE!
org.testng.internal.thread.ThreadTimeoutException: Method com.microsoft.azure.cosmosdb.rx.CollectionCrudTest.sessionTokenConsistencyCollectionDeleteCreateSameName() didn't finish within the time-out 50000
at com.microsoft.azure.cosmosdb.rx.CollectionCrudTest.sessionTokenConsistencyCollectionDeleteCreateSameName(CollectionCrudTest.java:311)

[INFO]
[INFO] Results:
[INFO]
[ERROR] Failures:
[ERROR] com.microsoft.azure.cosmosdb.rx.CollectionCrudTest.sessionTokenConsistencyCollectionDeleteCreateSameName(com.microsoft.azure.cosmosdb.rx.CollectionCrudTest)
[INFO] Run 1: PASS
[INFO] Run 2: PASS
[INFO] Run 3: PASS
[INFO] Run 4: PASS
[INFO] Run 5: PASS
[INFO] Run 6: PASS
[INFO] Run 7: PASS
[ERROR] Run 8: CollectionCrudTest.sessionTokenConsistencyCollectionDeleteCreateSameName:311->TestSuiteBase.safeClose:683 � ThreadTimeout
[INFO] Run 9: PASS
[INFO] Run 10: PASS
[INFO] Run 11: PASS
```