[Bug]: Couchbase tests failing

[marklysze]

Describe the bug

Two problems.

1. Couchbase tests for retrieval in test_couchbase.py are failing. It is not retrieving any results for the query. Have commented them out but it needs to be investigated.

    # test_retrieve_docs
    """ FAILING - NO RESULTS ARE RETRIEVED, CAN SEE IN COUCHBASE UI THAT THEY EXIST - INVESTIGATE
    queries = ["doc2", "doc3"]
    res = db.retrieve_docs(queries, collection_name)
    texts = [[item[0]["content"] for item in sublist] for sublist in res]
    received_ids = [[item[0]["id"] for item in sublist] for sublist in res]

    assert texts[0] == ["doc2", "doc3"]
    assert received_ids[0] == ["2", "3"]
    """

2. "Tests with optional dependencies" workflow test is failing if "retrieve-couchbase" optional dependency is included. It may be because the environment for Couchbase is not set up correctly (See contrib-test.yml for the setup of Couchbase).

PR #979 has temporarily disabled these two issues to allow other PRs to merge.

Steps to reproduce

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Model Used

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Expected Behavior

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Screenshots and logs

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Additional Information

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