fix: use correct WS url within tests

[aalu1418]

Description

Fix e2e test errors related to:

Error Trace:    /home/runner/work/chainlink/chainlink/integration-tests/common/test_common.go:244 
                                        /home/runner/work/chainlink/chainlink/integration-tests/smoke/ocr2_test.go:126 
            Error:          Received unexpected error: 
                            new ws client: dial: websocket: bad handshake 
            Test:           TestSolanaOCRV2Smoke/embedded 
            Messages:       Error connecting to websocket client

Resolves Dependencies

• https://github.com/smartcontractkit/chainlink/pull/13728

[yongkangchia]

LGTM thanks aaron!