fix(coverage/transpiler): diff comparison results are reversed (#3727)

<img width="963" alt="image" src="https://github.com/oxc-project/oxc/assets/29533304/fbec74bc-e06e-42f3-9963-f2fdce3ae784">

tasks/coverage/src/lib.rs

@@ -61,7 +61,7 @@ impl AppArgs {
         self.run_codegen();
         self.run_prettier();
         self.run_transformer();
-        self.run_transipler();
+        self.run_transpiler();
         // self.run_codegen_runtime();
         self.run_minifier();
     }
@@ -95,7 +95,7 @@ impl AppArgs {
         MiscSuite::<TransformerMiscCase>::new().run("transformer_misc", self);
     }
 
-    pub fn run_transipler(&self) {
+    pub fn run_transpiler(&self) {
         TranspileRunner::<TypeScriptTranspileCase>::new().run("transpile", self);
     }
 

tasks/coverage/src/main.rs

@@ -25,7 +25,7 @@ fn main() {
         "codegen-runtime" => args.run_codegen_runtime(),
         "prettier" => args.run_prettier(),
         "transformer" => args.run_transformer(),
-        "transpiler" => args.run_transipler(),
+        "transpiler" => args.run_transpiler(),
         "minifier" => args.run_minifier(),
         "v8_test262_status" => args.run_sync_v8_test262_status(),
         _ => args.run_all(),

tasks/coverage/src/suite.rs

@@ -32,6 +32,7 @@ pub enum TestResult {
     Passed,
     IncorrectlyPassed,
     #[allow(unused)]
+    // (actual, expected)
     Mismatch(String, String),
     ParseError(String, /* panicked */ bool),
     CorrectError(String, /* panicked */ bool),
@@ -424,7 +425,7 @@ pub trait Case: Sized + Sync + Send + UnwindSafe {
         origin_string: &str,
         expected_string: &str,
     ) -> std::io::Result<()> {
-        let diff = TextDiff::from_lines(origin_string, expected_string);
+        let diff = TextDiff::from_lines(expected_string, origin_string);
         for change in diff.iter_all_changes() {
             let (sign, style) = match change.tag() {
                 ChangeTag::Delete => ("-", Style::new().red()),