FUnit\TestSuite::runTests PHP Method

    public function runTests($filter = null)
    {
        // before
        if (isset($this->before_func)) {
            \FUnit::debug_out("running before for suite '{$this->name}'");
            $before_func = $this->before_func;
            $before_func();
            unset($before_func);
        }
        foreach ($this->tests as $name => &$test) {
            if (is_null($filter) || stripos($name, $filter) !== false) {
                $this->runTest($name);
            } else {
                $this->tests[$name]['skipped'] = true;
                \FUnit::debug_out("skipping test {$name} due to filter '{$filter}'");
            }
        }
        // after
        if (isset($this->after_func)) {
            \FUnit::debug_out("running after for suite '{$this->name}'");
            $after_func = $this->after_func;
            $after_func();
            unset($after_func);
        }
        return $this->tests;
    }