checkout if CI's log contain INFO messages

tests/all/build.rs

@@ -241,6 +241,12 @@ fn it_format_out_dir_on_windows() {
     fixture.run(cli.cmd).unwrap();
 
     let wasm_pack_log = utils::file::read_file(&fixture.path.join("wasm-pack.log")).unwrap();
+    
+    // may be the CI doesn't output INFO content
+    assert!(
+        wasm_pack_log.contains("INFO"),
+        "wasm_pack.log should output INFO level message",
+    );
     assert!(
         wasm_pack_log.contains(r"Your wasm pkg is ready to publish at C:\Users\"),
         "directories in wasm-pack.log should be well formatted",