we run outside the docker container, need different variable

[dothebart]

Fix the following:

set: --testdefinitions: unknown option

/scripts/runFullTests.fish (line 8): 
    set -e $argv[1]
    ^

(Type 'help set' for related documentation)
set: --testdefinitions: unknown option

/scripts/runFullTests.fish (line 9): 
    set -e $argv[1]
    ^

(Type 'help set' for related documentation)

Launching tests...
Using test definitions from arangodb repo
coverage value: LLVM_PROFILE_FILE = /work/gcov
[Errno 2] No such file or directory: '/work/ArangoDB/tests/test-definitions.txt'
Traceback (most recent call last):
  File "/home/jenkins/workspace/arangodb-ANY-coverage/jenkins/helper/test_launch_controller.py", line 489, in main
    tests = read_definitions(args.definitions, "", args)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jenkins/workspace/arangodb-ANY-coverage/jenkins/helper/test_launch_controller.py", line 463, in read_definitions
    with open(filename, "r", encoding="utf-8") as filep:
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/work/ArangoDB/tests/test-definitions.txt'
python exited 1
RESULT: BAD

[KVS85]

• ❌ https://jenkins.arangodb.biz/view/Coverage/job/arangodb-ANY-coverage/277/

[KVS85]

• ❌ https://jenkins.arangodb.biz/view/Coverage/job/arangodb-ANY-coverage/278/

[KVS85]

LGTM.

[KVS85]

• ❌ https://jenkins.arangodb.biz/view/Coverage/job/arangodb-ANY-coverage/279/

[KVS85]

• https://jenkins.arangodb.biz/view/Coverage/job/arangodb-ANY-coverage/280/