refactor(tests): move person type to test function

collection_test.go

@@ -13,14 +13,14 @@ import (
 //go:embed collection_test.csv
 var testData []byte
 
-type person struct {
-	ID        int
-	LastName  string
-	FirstName string
-	Email     string
-}
-
 func TestCollection(t *testing.T) {
+	type person struct {
+		ID        int
+		LastName  string
+		FirstName string
+		Email     string
+	}
+
 	data := strings.Split(string(testData), "\n")
 
 	lines := OfSlice(data).Skip(1).Filter(func(s string) bool {