RFR: JDK-8243973 Clarify difference between JAVA_OPTIONS and VM_OPTIONS

[Erik Joelsson]

Looks good! Thanks for fixing it!

/Erik

On 2020-04-28 01:08, Magnus Ihse Bursie wrote:
> Update testing.md to clarify the difference between JAVA_OPTIONS and 
> VM_OPTIONS.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8243973
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8243973-JAVA_OPTIONS-vs_VM_OPTIONS/webrev.01
>
> /Magnus