Before the CSOT refactoring, SessionContext was applied in tests (ClusterFixture) at the binding level via SessionBinding / AsyncSessionBinding. The CSOT refactoring (JAVA-5640, PR #1781) decoupled OperationContext from Binding and removed SessionBinding / AsyncSessionBinding from the binding creation path in ClusterFixture. However, the pre-existing OperationContextBinding / AsyncOperationContextBinding wrappers were left in place.

They carry an OperationContext with SessionContext attached, but nothing downstream consumes it (getOperationContext() is never called). As a result, SessionContext is no longer being applied to test operations.

ClusterFixture also contains several overloads (getBinding(TimeoutSettings), getBinding(OperationContext), getAsyncBinding(OperationContext), createNewOperationContext(TimeoutSettings), etc.) that exist primarily to support these wrappers.

Acceptance Criteria

• OperationContextBinding and AsyncOperationContextBinding are deleted.
• SessionContext is applied at operation execution time in executeSync / executeAsync.
• All affected tests are updated and passing.