sdl_java_se uses deprecated testCompile in build.gradle

[noah-livio]

Bug Summary

Using testCompile has the potential to make grade sync fail on newer Gradle and Java versions.

Reproduction Steps

N/A

Which projects have you seen this bug on?

Java Standard Edition

Android Version(s)

No response

Android Device(s)

No response

sdl_java_suite Version

5.4.0_RC

Testing Environment(s)

N/A

Relevant log output

N/A

[JulianKast]

Fixed with #1806