Attempt to fix problematic airnode-admin e2e test

Author: dcroote

packages/airnode-admin/package.json

@@ -16,7 +16,7 @@
     "cli": "ts-node bin/admin.ts",
     "compile": "tsc --build tsconfig.json",
     "pack": "yarn pack",
-    "test:e2e": "jest --selectProjects e2e",
+    "test:e2e": "jest --selectProjects e2e --runInBand",
     "test:e2e:update-snapshot": "yarn test:e2e --updateSnapshot",
     "test:e2e:watch": "yarn test:e2e --watch",
     "test": "SILENCE_LOGGER=true jest --selectProjects unit",

packages/airnode-admin/test/e2e/cli.feature.ts

@@ -25,7 +25,7 @@ it('has disabled DEBUG_COMMANDS flag', () => {
 });
 
 describe('CLI', () => {
-  jest.setTimeout(45_000);
+  jest.setTimeout(300_000);
 
   let provider: ethers.providers.StaticJsonRpcProvider;
   let deployer: ethers.providers.JsonRpcSigner;
@@ -333,7 +333,6 @@ Template data:
   describe('withdrawal', () => {
     let sponsor: ethers.Wallet;
     let sponsorWallet: ethers.Wallet;
-    const sponsorBalance = () => sponsor.getBalance();
 
     beforeEach(async () => {
       // Prepare for derivation of designated wallet - see test for designated wallet derivation for details
@@ -371,13 +370,25 @@ Template data:
 
       expect(checkWithdrawalStatus()).toBe('Withdrawal request is not fulfilled yet');
 
-      const balanceBefore = await sponsorBalance();
+      const balanceBefore = await sponsor.getBalance();
       airnodeRrp = airnodeRrp.connect(sponsorWallet);
-      await admin.fulfillWithdrawal(airnodeRrp, withdrawalRequestId, airnodeWallet.address, sponsor.address, '0.8');
-      expect(checkWithdrawalStatus()).toBe('Withdrawn amount: 800000000000000000');
-      expect((await sponsorBalance()).toString()).toBe(
-        balanceBefore.add(ethers.BigNumber.from('800000000000000000')).toString()
+
+      const fulfillResult = await admin.fulfillWithdrawal(
+        airnodeRrp,
+        withdrawalRequestId,
+        airnodeWallet.address,
+        sponsor.address,
+        '0.8'
       );
+      expect(fulfillResult).not.toBeNull();
+
+      expect(checkWithdrawalStatus()).toBe('Withdrawn amount: 800000000000000000');
+
+      // Create a fresh provider instance to avoid stale connection issues in CI
+      const freshProvider = new ethers.providers.StaticJsonRpcProvider(PROVIDER_URL);
+      const balanceAfter = await freshProvider.getBalance(sponsor.address);
+
+      expect(balanceAfter.toString()).toBe(balanceBefore.add(ethers.BigNumber.from('800000000000000000')).toString());
     });
   });