.gitlab-ci.yml: Don't use MySQL volume for tests

Fix vdj#1034
Status Job ID Name Coverage
  Test Tools
passed #594344
test_tools

00:00:09

 
  Test Quality
passed #594345
web
code_quality

00:00:09

 
  Test Unit
passed #594346
web
test_browser_unit

00:00:21

passed #594347
web
test_server_unit

00:00:17

 
  Deploy Review
passed #594348
web
deploy_review

00:00:07

manual #594349
web allowed to fail manual
stop_deploy_review
 
  Test Functional
passed #594352
web
chrome-browser-functional

00:02:48

passed #594350
web
ff32-browser-functional

00:02:51

failed #594354
docker x86_64
ff32-server-functional

00:15:59

passed #594351
web
ff45-browser-functional

00:03:03

failed #594355
docker x86_64
ff45-server-functional

00:14:53

passed #594353
legacy
old-chrome-browser-functional

00:02:45

 
  Test Functional External
skipped #594358
web
chrome-browser-functional-external
skipped #594356
web
ff32-browser-functional-external
skipped #594357
web
ff45-browser-functional-external
skipped #594359
legacy
old-chrome-browser-functional-external-chrome
 
Name Stage Failure
failed
ff45-server-functional Test Functional
Deleted: sha256:11917b615200f5d58638da9fcab114dd232a9843d93b65cea4f5ac262d25c037
Deleted: sha256:b6bbc3fef993637139e15b0c190e3ad6e4d5b2971758e820496be3aa6ca162ed
Deleted: sha256:91c6a3b4312b9a0c53666873c7392040390adeacb9831a671a9483148bc551ca
Deleted: sha256:5940d434e0b370ad827969860ad6a889d780e1ca4a040d3d937f329c45070760
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=1334 revision=58272c27 version=12.7.0
server/web2py/applications/vidjil/tests/test/TEST-*.xml: found 5 matching files

Uploading artifacts to coordinator... ok
id=594355 responseStatus=201 Created token=Ari8wwG_
ERROR: Job failed: exit status 1
failed
ff32-server-functional Test Functional
Deleted: sha256:8d1d3792615775d247ce42ae2df3c9bc60e7eaa20f35a9b65ce425a73152146f
Deleted: sha256:3fb60a4ec793514da9f21238b976ab2adcc3520bf60fadeece7f7b8d1e9e513e
Deleted: sha256:dca359d409385caaec2da03afd810621a1eaa94645809aa8b6bd8f12d8499972
Deleted: sha256:cfe8406dd027fc55a25218f03fe571609f7553ad64d49480a125b44333abd61e
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=15372 revision=1b659122 version=12.8.0
server/web2py/applications/vidjil/tests/test/TEST-*.xml: found 5 matching files

Uploading artifacts to coordinator... ok
id=594354 responseStatus=201 Created token=Say9nboE
ERROR: Job failed: exit status 1