chore(parser): edit printed test file path

Without this change we will not be able to inspect the test at the exact
location in the test files.

This is now possible by using single semicolon instead of two to be able to open
the test files in vscode at the test line

src/bin/parser_test.rs

@@ -150,7 +150,7 @@ fn read_tests(file_path: PathBuf) -> io::Result<Vec<Test>> {
 
 fn run_tree_test(test_idx: usize, test: &Test, results: &mut TestResults) {
     println!(
-        "🧪 Running test #{}: {}::{}",
+        "🧪 Running test #{}: {}:{}",
         test_idx, test.file_path, test.line
     );