Test that LRU cache works as expected when marked "unhealthy"
Test that LRU cache works as expected when marked "unhealthy"

pagespeed/mod_pagespeed,hashashin/src,VersoBit/mod_pagespeed,pagespeed/mod_pagespeed,hashashin/src,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,hashashin/src,hashashin/src,VersoBit/mod_pagespeed,hashashin/src,VersoBit/mod_pagespeed,VersoBit/mod_pagespeed,hashashin/src,pagespeed/mod_pagespeed,VersoBit/mod_pagespeed,VersoBit/mod_pagespeed,VersoBit/mod_pagespeed,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,hashashin/src,hashashin/src