RFR: JDK-8246706: [macos] Allow SigningPackageTest to be built with real certificates

[Alexey Semenyuk]

In SigningBase.java:
---
KEYCHAIN = (value == null) ? "jpackagerTest.keychain" : value;
---

Is "jpackagerTest.keychain" some legacy string? Should not it be 
"jpackageTest.keychain"?

- Alexey

On 6/5/2020 4:23 PM, Andy Herrick wrote:
> Please review fix to issue [1] at [2].
>
> The fix enables running jpackage signing tests on macos with user 
> supplied certificates.
>
> [1] https://bugs.openjdk.java.net/browse/JDK-8246706
>
> [2] http://cr.openjdk.java.net/~herrick/8246706/webrev.01/index.html
>
> /Andy
>