[vector] Additional tests for ternary ops to bring the coverage up

[Paul Sandoz]

+1

> On Jun 1, 2020, at 5:34 PM, Viswanathan, Sandhya <sandhya.viswanathan at intel.com> wrote:
> 
> Hi Paul,
>  
> Thanks a lot for the feedback. Please find the updated webrev below:
>  
> http://cr.openjdk.java.net/~sviswanathan/vectorIntrinsics/TestCoverage/part2/webrev.01 <http://cr.openjdk.java.net/~sviswanathan/vectorIntrinsics/TestCoverage/part2/webrev.01>
>  
> In this, I have updated the check for empty string value. 
> Also added ternary broadcast and double broadcast tests for float/double using the VectorOperators.FMA form.

> Ternary assert methods are also used for bitwiseBlend in Integral tests, so I have retained the asserts methods.

Ah, I see now.

Paul.

> Please let me know if I am missing something.
>  
> Best Regards,
> Sandhya
>