diff --git a/crates/rpl/src/lib.rs b/crates/rpl/src/lib.rs
index 6290fb2..0e5011e 100644
--- a/crates/rpl/src/lib.rs
+++ b/crates/rpl/src/lib.rs
@@ -25,8 +25,13 @@ mod tests {
 
     #[test]
     fn test_simple_deserialize() {
-        const TEST_DATA: &str =
-            "([Read( (source: File(\"~/example/file.png\"), format: Png) ),Math(Add),Write(( target: File(\"~/example/out.jpg\"), format: Jpeg))])";
+        const TEST_DATA: &str = concat!(
+            "([",
+            "Read( (source: File(\"~/example/file.png\"), format: Png) ),",
+            "Math(Add),",
+            "Write(( target: File(\"~/example/out.jpg\"), format: Jpeg)),",
+            "])",
+        );
 
         assert_eq!(
             from_ron(TEST_DATA),