fixed integration tests for manual refund

[miladz68]

Description

This PR fixes the integration tests for manual recover refunds, so they will pass.

Reviewers checklist:

• Try to write more meaningful comments with clear actions to be taken.
• Nit-picking should be unblocking. Focus on core issues.

Authors checklist

• Provide a concise and meaningful description
• Review the code yourself first, before making the PR.
• Annotate your PR in places that require explanation.
• Think and try to split the PR to smaller PR if it is big.

---

This change is 

[keyleu]

Reviewable status: 0 of 2 files reviewed, 2 unresolved discussions (waiting on @dzmitryhil, @miladz68, @wojtek-coreum, and @ysv)

---

relayer/coreum/contract.go line 42 at r1 (raw file):

	ExecUpdateXRPLToken               ExecMethod = "update_xrpl_token"
	ExecUpdateCoreumToken             ExecMethod = "update_coreum_token"
	ExecClaimRefunds                  ExecMethod = "claim_refunds"

This was renamed to claim_refund

---

relayer/coreum/contract.go line 290 at r1 (raw file):

type claimRefundsRequest struct {
	PendingOperationID string `json:"pending_operation_id"`

Renamed this to pending_refund_id

[miladz68]

Reviewable status: 0 of 2 files reviewed, 2 unresolved discussions (waiting on @dzmitryhil, @keyleu, @wojtek-coreum, and @ysv)

---

relayer/coreum/contract.go line 42 at r1 (raw file):

Previously, keyleu (Keyne) wrote…

This was renamed to claim_refund

Done.

---

relayer/coreum/contract.go line 290 at r1 (raw file):

Previously, keyleu (Keyne) wrote…

Renamed this to pending_refund_id

Done.

[keyleu]

Reviewed 2 of 2 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @dzmitryhil, @wojtek-coreum, and @ysv)