Add test with multiple assignments in a while condition

6 jobs for !64 with exec/while-with-assignments in 25 minutes and 33 seconds (queued for 2 seconds)
latest merge request
Name Stage Failure
failed
gruppen: [4, iComputerfreak/DerCompiler, 1] Run
[SUCCESS] compile:Vector.java                          correct
[SUCCESS] compile:WhileArraySum.java correct
[SUCCESS] compile:WhileWithAssignments.java correct
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Ran 64 tests, of which 1 failed.
A full report for each test can be found at ../../../mjtest/reports/02-02-22_01-45-44_compile.failed
Ran 646 tests, of which 2 failed.
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
gruppen: [3, larsk21/compiler-minijava, 1] Run
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
gruppen: [2, compilerpraktikum/compiler, 1] Run
[0012]    }
[0013]

----------------------------------------
Ran 64 tests, of which 64 failed.
A full report for each test can be found at ../../../mjtest/reports/02-02-22_01-35-55_compile.failed
Ran 646 tests, of which 138 failed.
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1