[bug#56112] [PATCH] gnu: Add java-lambdatest

[Artyom V. Poptsov]

Hello.

> Using openjdk11 here will create warnings in dependents I think. Are
> you sure we really need to use it?

Unfortunately when the JDK version is not specified I get errors like
this one during the "check" phase:

--8<---------------cut here---------------start------------->8---
starting phase `check'
Buildfile: /tmp/guix-build-java-lambdatest-0.7.1.drv-0/source/build.xml

compile-tests:
    [mkdir] Created dir: 
/tmp/guix-build-java-lambdatest-0.7.1.drv-0/source/build/test-classes
    [javac] Compiling 13 source files to 
/tmp/guix-build-java-lambdatest-0.7.1.drv-0/source/build/test-classes
    [javac] Note: Some input files use unchecked or unsafe operations.
    [javac] Note: Recompile with -Xlint:unchecked for details.

BUILD SUCCESSFUL
Total time: 0 seconds
[TestNG] [ERROR] 
An error occurred while instantiating class 
de.tobiasroeser.lambdatest.ExpectCollectionTest: 
org/slf4j/impl/StaticLoggerBinder has been compiled by a more recent version of 
the Java Runtime (class file version 53.0), this version of the Java Runtime 
only recognizes class file versions up to 52.0
--8<---------------cut here---------------end--------------->8---

- Artyom

-- 
Artyom "avp" Poptsov <poptsov.artyom@gmail.com>
Home page: https://memory-heap.org/~avp/
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