@Test
  public void testParseWindowsRubyVersionString() throws Exception {

    String rubyVersion = SystemRubyUtils.parseRubyVersionString(rubyWindowsVersionString);

    assertThat(rubyVersion, equalTo("1.9.3-p125"));
  }
  @Test
  public void testParseOsxRubyVersionString() throws Exception {

    String rubyVersion = SystemRubyUtils.parseRubyVersionString(rubyOsxVersionString);

    assertThat(rubyVersion, equalTo("1.8.7-p249"));
  }