diff --git a/src/lib.rs b/src/lib.rs
index eac2650..fa857b2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -238,7 +238,7 @@ mod tests {
 
     #[test]
     fn case_render() {
-        let cli = Cli::parse_from([APP_NAME, "render", "avatar.jpg", "-o", "img.txt", "-s", "0.65", "0.25", "-c", "20"]);
+        let cli = Cli::parse_from([APP_NAME, "render", "./tests/avatar.jpg", "-o", "./tests/img.txt", "-s", "0.65", "0.25", "-c", "20"]);
         
         match &cli.command {
             Commands::Render { input_file_path, output, scale, contrast } => {
@@ -250,7 +250,7 @@ mod tests {
 
     #[test]
     fn case_play() {
-        let cli = Cli::parse_from([APP_NAME, "open", "img.txt"]);
+        let cli = Cli::parse_from([APP_NAME, "open", "./tests/img.txt"]);
         
         match &cli.command {
             Commands::Open { input_file_path } => {
diff --git a/tests/avatar.jpg b/tests/avatar.jpg
new file mode 100644
index 0000000..c4f3e8a
Binary files /dev/null and b/tests/avatar.jpg differ
diff --git a/tests/img.txt b/tests/img.txt
new file mode 100644
index 0000000..be0f95d
Binary files /dev/null and b/tests/img.txt differ