fix(cli): only remove test input's trailing '\r' if running on windows

platform

cli/src/test.rs

@@ -898,6 +898,7 @@ fn parse_test_content(name: String, content: &str, file_path: Option<PathBuf>) -
 
                     // Remove trailing newline from the input.
                     input.pop();
+                    #[cfg(target_os = "windows")]
                     if input.last() == Some(&b'\r') {
                         input.pop();
                     }

test/fixtures/test_grammars/anonymous_tokens_with_escaped_chars/corpus.txt

@@ -19,7 +19,7 @@ anonymous tokens defined with LF escape sequence
 anonymous tokens defined with CR escape sequence
 =================================================
 
-
+
 ---
 
 (first_rule)