[html-tests] Fix a bug of the form controls validation test (#626)

To avoid the reduplicative test names in
html/semantics/forms/constraints/form-validation-validity-valid.html

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>

View on GitHub: https://github.com/w3c/web-platform-tests/pull/626

Received on Wednesday, 12 February 2014 08:31:40 UTC