Index: tracing-subscriber/src/fmt/format/mod.rs
===================================================================
--- tracing-subscriber.orig/src/fmt/format/mod.rs
+++ tracing-subscriber/src/fmt/format/mod.rs
@@ -1818,7 +1818,7 @@ pub(super) mod test {
         let _default = set_default(&subscriber.into());
         tracing::info!("hello");
         let res = make_writer.get_string();
-        assert!(expected.is_match(&res));
+        assert!(expected.is_match(&res),"string {:?} did not match pattern {:?}",res,expected);
     }
 
     #[test]
@@ -2149,8 +2149,7 @@ pub(super) mod test {
 
     /// Returns the test's module path.
     fn current_path() -> String {
-        Path::new("tracing-subscriber")
-            .join("src")
+        Path::new("src")
             .join("fmt")
             .join("format")
             .join("mod.rs")
--- tracing-subscriber.orig/src/fmt/format/json.rs
+++ tracing-subscriber/src/fmt/format/json.rs
@@ -578,8 +578,7 @@ mod test {
 
     #[test]
     fn json_filename() {
-        let current_path = Path::new("tracing-subscriber")
-            .join("src")
+        let current_path = Path::new("src")
             .join("fmt")
             .join("format")
             .join("json.rs")