diff --git a/tests/testsuite/package.rs b/tests/testsuite/package.rs
index 8f3ab93ad..860d69627 100644
--- a/tests/testsuite/package.rs
+++ b/tests/testsuite/package.rs
@@ -3479,24 +3479,25 @@ fn build_script_outside_pkg_root() {
         )
         .file("src/main.rs", "fn main() {}")
         .build();
-    let mut expect_msg = String::from("\
+    // custom_build.rs does not exist
+    p.cargo("package -l")
+        .with_status(101)
+        .with_stderr("\
 warning: manifest has no documentation, homepage or repository.
 See https://doc.rust-lang.org/cargo/reference/manifest.html#package-metadata for more info.
 error: the source file of build script doesn't appear to exist.
 This may cause issue during packaging, as modules resolution and resources included via macros are often relative to the path of source files.
 Please update the `build` setting in the manifest at `[CWD]/Cargo.toml` and point to a path inside the root of the package.
-");
-    // custom_build.rs does not exist
-    p.cargo("package -l")
-        .with_status(101)
-        .with_stderr(&expect_msg)
+")
         .run();
 
     // custom_build.rs outside the package root
     let custom_build_root = paths::root().join("t_custom_build");
     _ = fs::create_dir(&custom_build_root).unwrap();
     _ = fs::write(&custom_build_root.join("custom_build.rs"), "fn main() {}");
-    expect_msg = format!(
+    p.cargo("package -l")
+        .with_status(101)
+        .with_stderr(&format!(
         "\
 warning: manifest has no documentation, homepage or repository.
 See https://doc.rust-lang.org/cargo/reference/manifest.html#package-metadata for more info.
@@ -3504,10 +3505,7 @@ error: the source file of build script doesn't appear to be a path inside of the
 It is at `{}/t_custom_build/custom_build.rs`, whereas the root the package is `[CWD]`.
 This may cause issue during packaging, as modules resolution and resources included via macros are often relative to the path of source files.
 Please update the `build` setting in the manifest at `[CWD]/Cargo.toml` and point to a path inside the root of the package.
-", paths::root().display());
-    p.cargo("package -l")
-        .with_status(101)
-        .with_stderr(&expect_msg)
+", paths::root().display()))
         .run();
 }