add following test

follows_test.go

@@ -0,0 +1,15 @@
+package twitterscraper_test
+
+import (
+	"testing"
+)
+
+func TestFetchFollowing(t *testing.T) {
+	users, _, err := testScraper.FetchFollowing("Support", 20, "")
+	if err != nil {
+		t.Error(err)
+	}
+	if len(users) < 1 || users[len(users)-1].Username == "" {
+		t.Error("error FetchFollowing() No users found")
+	}
+}