def make_rigged_file(self, filename: str, stmts: int, miss: int) -> None:
        """Create a file that will have specific results.

        `stmts` and `miss` are ints, the number of statements, and
        missed statements that should result.
        """
        run = stmts - miss - 1
        dont_run = miss
        source = ""
        source += "a = 1\n" * run
        source += "if a == 99:\n"
        source += "    a = 2\n" * dont_run
        self.make_file(filename, source)
Create a file that will have specific results.

        `stmts` and `miss` are ints, the number of statements, and
        missed statements that should result.
        
tests/test_report.py