diff --git a/marvel.go b/marvel.go
index d6ad4f0..b856968 100644
--- a/marvel.go
+++ b/marvel.go
@@ -1,4 +1,4 @@
-package main
+package marvel
 
 import (
 	"crypto/md5"
diff --git a/main.go b/marvel_test.go
similarity index 62%
rename from main.go
rename to marvel_test.go
index dc5d1db..0476302 100644
--- a/main.go
+++ b/marvel_test.go
@@ -1,14 +1,14 @@
-package main
+package marvel
 
 import (
-	"fmt"
+	"testing"
 )
 
-func main() {
+func TestRequest(t *testing.T) {
 	r, err := NewClient("d96b5157cfc7a60cbfaa715dc23c3eb1", "ccbc72b222419e2a4e40b4027f3bcb356142651b").Series(2258, CommonRequest{})
 	if err != nil {
-		fmt.Printf("err: %v\n", err)
+		t.Errorf("error: %v", err)
 		return
 	}
-	fmt.Printf("%+v", r)
+	t.Logf("%+v", r)
 }