multi: Add tests to psbt and normal open channel flow.

Itests were added to the normal channel funding flow and the psbt
funding flow using unstable (unconfirmed sweeper inputs).

itest/list_on_test.go

@@ -117,6 +117,14 @@ var allTestCases = []*lntest.TestCase{
 		Name:     "batch channel funding",
 		TestFunc: testBatchChanFunding,
 	},
+	{
+		Name:     "open channel with unstable utxos",
+		TestFunc: testChannelFundingWithUnstableUtxos,
+	},
+	{
+		Name:     "open psbt channel with unstable utxos",
+		TestFunc: testPsbtChanFundingWithUnstableUtxos,
+	},
 	{
 		Name:     "update channel policy",
 		TestFunc: testUpdateChannelPolicy,