fix typos in mbe tests

crates/ra_mbe/src/syntax_bridge.rs

@@ -384,7 +384,7 @@ mod tests {
             }
             "#,
         );
-        let expansion = expand(&rules, "literals!(foo)");
+        let expansion = expand(&rules, "literals!(foo);");
         let buffer = tt::buffer::TokenBuffer::new(&[expansion.clone().into()]);
         let mut tt_src = SubtreeTokenSource::new(&buffer);
         let mut tokens = vec![];
@@ -423,7 +423,7 @@ mod tests {
             }
             "#,
         );
-        let expansion = expand(&rules, "stmts!()");
+        let expansion = expand(&rules, "stmts!();");
         assert!(token_tree_to_expr(&expansion).is_err());
     }
 }