fix tests to clean up so they are re-runnable on the same bucket.

[mikereiche]

[INFO]
[ERROR] Failures:
[ERROR] CouchbaseTemplateQueryCollectionIntegrationTests.testScopeCollectionAnnotation:770 should not have found what was saved ==> expected: <0> but was: <1>
[ERROR] CouchbaseTemplateQueryCollectionIntegrationTests.testScopeCollectionRepoWith:794 should not have found what was saved ==> expected: <0> but was: <1>
[ERROR] CouchbaseRepositoryQueryCollectionIntegrationTests.testScopeCollectionAnnotation:208 should not have found what was saved ==> expected: <0> but was: <1>
[ERROR] CouchbaseRepositoryQueryCollectionIntegrationTests.testScopeCollectionRepoWith:242 should not have found what was saved ==> expected: <0> but was: <1>
[ERROR] ReactiveCouchbaseRepositoryQueryCollectionIntegrationTests.testScopeCollectionAnnotation:186 should not have found what was saved ==> expected: <0> but was: <1>
[ERROR] ReactiveCouchbaseRepositoryQueryCollectionIntegrationTests.testScopeCollectionRepoWith:207 should not have found what was saved ==> expected: <0> but was: <1>
[INFO]
[ERROR] Tests run: 197, Failures: 6, Errors: 0, Skipped: 7