improve RecordSetsGlobalListAll integration test

This makes the test a bit less complex and brittle.

vinyldns/integration_test.go

@@ -399,29 +399,10 @@ func TestRecordSetsListAllIntegrationFilterForNonexistentName(t *testing.T) {
 
 func TestRecordSetsGlobalListAllIntegrationFilterForExistentName(t *testing.T) {
 	c := client()
-	rName := "global-list-int-test"
-	zs, err := c.ZonesListAll(ListFilter{})
-	if err != nil {
-		t.Error(err)
-	}
-
-	_, err = c.RecordSetCreate(&RecordSet{
-		Name:   rName,
-		ZoneID: zs[0].ID,
-		Type:   "A",
-		TTL:    60,
-		Records: []Record{
-			{
-				Address: "127.0.0.1",
-			},
-		},
-	})
-	if err != nil {
-		t.Error(err)
-	}
+	rName := "foo"
 
 	records, err := c.RecordSetsGlobalListAll(GlobalListFilter{
-		RecordNameFilter: rName + "*",
+		RecordNameFilter: "*" + rName + "*",
 	})
 	if err != nil {
 		t.Error(err)