The services immutable checks fails in the validation tests

The validation test: 
TestValidateCollectionTTLImmutable
Fails with: 
00:15:09 util.go:1459: test unexpectedly succeeded*00:15:09* util.go:1460: goroutine 28753 [running]:00:15:09 runtime/debug.Stack()00:15:09 runtime/debug/stack.go:24 +0x72*00:15:09* github.com/couchbase/couchbase-operator/test/e2e/e2eutil.Die(0xc000ea7ba0, {0x6c85500, 0xc000f29f90})00:15:09 github.com/couchbase/couchbase-operator/test/e2e/e2eutil/util.go:1455 +0x36*00:15:09* github.com/couchbase/couchbase-operator/test/e2e.runValidationTest.func1(0xc000ea7ba0)00:15:09 github.com/couchbase/couchbase-operator/test/e2e/validation_test.go:491 +0x1498*00:15:09* testing.tRunner(0xc000ea7ba0, 0xc00109f200)00:15:09 testing/testing.go:1576 +0x217*00:15:09* created by testing.(T).Run*00:15:09 testing/testing.go:1629 +0x806
 

The test is expecting not to be able to change the services, but it actually succeeds. It could be a new expected behaivour.