test: SignerListSet transaction integration tests (#1621)

* add tests

* clean up helper functions

* fix account funding

* remove unneeded method

* use new wallets for each test

* automatically fund wallets

* fix TODO

test/integration/transactions/signerListSet.ts

@@ -0,0 +1,40 @@
+import _ from 'lodash'
+import { SignerListSet } from 'xrpl-local/models/transactions'
+
+import serverUrl from '../serverUrl'
+import { setupClient, suiteClientSetup, teardownClient } from '../setup'
+import { testTransaction } from '../utils'
+
+// how long before each test case times out
+const TIMEOUT = 20000
+
+describe('SignerListSet', function () {
+  this.timeout(TIMEOUT)
+
+  before(suiteClientSetup)
+  beforeEach(_.partial(setupClient, serverUrl))
+  afterEach(teardownClient)
+
+  it('base', async function () {
+    const tx: SignerListSet = {
+      TransactionType: 'SignerListSet',
+      Account: this.wallet.getClassicAddress(),
+      SignerEntries: [
+        {
+          SignerEntry: {
+            Account: 'r5nx8ZkwEbFztnc8Qyi22DE9JYjRzNmvs',
+            SignerWeight: 1,
+          },
+        },
+        {
+          SignerEntry: {
+            Account: 'r3RtUvGw9nMoJ5FuHxuoVJvcENhKtuF9ud',
+            SignerWeight: 1,
+          },
+        },
+      ],
+      SignerQuorum: 2,
+    }
+    await testTransaction(this.client, tx, this.wallet)
+  })
+})