Pipeline not start service

Summary

There is a problem in Pipelines with services. I configure a mysql service but the service don't go up and then my test fail. This don't happen all the times but is very frequent.

Steps to reproduce

There is no way to accurately reproduce the problem, but I attached a log where the .gitlab-ci is shown

Running with gitlab-runner 11.10.1 (1f513601)
  on gitlab-runner-gitlab-runner-787896b74d-7zlzs xwUAwtgT
Using Kubernetes namespace: gitlab-runners
Using Kubernetes executor with image node:lts-alpine ...
Waiting for pod gitlab-runners/runner-xwuawtgt-project-12346619-concurrent-2t99ms to be running, status is Pending
Waiting for pod gitlab-runners/runner-xwuawtgt-project-12346619-concurrent-2t99ms to be running, status is Pending
Waiting for pod gitlab-runners/runner-xwuawtgt-project-12346619-concurrent-2t99ms to be running, status is Pending
Running on runner-xwuawtgt-project-12346619-concurrent-2t99ms via gitlab-runner-gitlab-runner-787896b74d-7zlzs...
Initialized empty Git repository in /builds/....../service/.git/
Fetching changes...
Created fresh repository.
From https://gitlab.com/cencosud-ds/venta/paris-peru/orders-service
 * [new branch]      1-deploy-to-test-env -> origin/1-deploy-to-test-env
 * [new branch]      master               -> origin/master
Checking out 08f29324 as 1-deploy-to-test-env...

Skipping Git submodules setup
Checking cache for default...
No URL provided, cache will not be downloaded from shared cache server. Instead a local version of cache will be extracted. 
Successfully extracted cache
$ apk update && apk add mysql-client
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/community/x86_64/APKINDEX.tar.gz
v3.9.4-24-g4e2ff29bbe [http://dl-cdn.alpinelinux.org/alpine/v3.9/main]
v3.9.4-26-ga3169d5242 [http://dl-cdn.alpinelinux.org/alpine/v3.9/community]
OK: 9770 distinct packages available
(1/6) Installing mariadb-common (10.3.15-r0)
(2/6) Installing ncurses-terminfo-base (6.1_p20190105-r0)
(3/6) Installing ncurses-terminfo (6.1_p20190105-r0)
(4/6) Installing ncurses-libs (6.1_p20190105-r0)
(5/6) Installing mariadb-client (10.3.15-r0)
(6/6) Installing mysql-client (10.3.15-r0)
Executing busybox-1.29.3-r10.trigger
OK: 45 MiB in 22 packages
$ cat .gitlab-ci.yml
# This file is a template, and might need editing before it works on your project.
# Official framework image. Look for the different tagged releases at:
# https://hub.docker.com/r/library/node/tags/
image: node:lts-alpine

# This folder is cached between builds
# http://docs.gitlab.com/ce/ci/yaml/README.html#cache
cache:
  paths:
    - node_modules/

stages:
  - install
  - test
  - build

install:
  stage: install
  script:
    - npm install

lint:
  stage: test
  script:
    - npm install
    - npm run lint

unit-test:
  stage: test
  script:
    - npm install
    - npm run test

e2e-test:
  stage: test
  variables:
    MYSQL_ROOT_PASSWORD: '${MYSQL_ROOT_PASSWORD}'
    MYSQL_DATABASE: '${MYSQL_DATABASE}'
  before_script:
    - apk update && apk add mysql-client
    - cat .gitlab-ci.yml
  script:
    - npm install
    - npm run test:e2e
    - mysqldump -u ${TYPEORM_USERNAME} -p${TYPEORM_PASSWORD} --no-data -h ${TYPEORM_HOST} ${TYPEORM_DATABASE}
  services:
    - name: mysql:latest
      command: ['--default-authentication-plugin=mysql_native_password']

build:
  image: docker:git
  stage: build
  services:
    - docker:dind
  before_script:
    - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.gitlab.com
  only:
    - branches
  script:
    - export TAG="$CI_COMMIT_REF_NAME-$CI_PIPELINE_IID-$CI_COMMIT_SHORT_SHA"
    - export IMAGE="$CI_REGISTRY_IMAGE:$TAG"
    - echo $IMAGE
    - docker build --no-cache -t $IMAGE .
$ npm install

> @nestjs/core@6.2.0 postinstall /builds/cencosud-ds/venta/paris-peru/orders-service/node_modules/@nestjs/core
> opencollective || exit 0

                           Thanks for installing nest 
                 Please consider donating to our open collective
                        to help us maintain this package.
                                         
                            Number of contributors: 91
                              Number of backers: 189
                              Annual budget: $67,937
                             Current balance: $5,604
                                         
             Become a partner: https://opencollective.com/nest/donate
                                         

> nodemon@1.19.0 postinstall /builds/cencosud-ds/venta/paris-peru/orders-service/node_modules/nodemon
> node bin/postinstall || exit 0

Love nodemon? You can now support the project via the open collective:
 > https://opencollective.com/nodemon/donate

npm WARN orders-service@0.0.1 No repository field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

added 886 packages from 886 contributors and audited 864219 packages in 19.03s
found 1 moderate severity vulnerability
  run `npm audit fix` to fix them, or `npm audit` for details
$ npm run test:e2e

> orders-service@0.0.1 test:e2e /builds/cencosud-ds/venta/paris-peru/orders-service
> jest --config ./test/jest-e2e.json

[Nest] 66   - 06/11/2019, 11:37 AM   [ExceptionHandler] Unable to connect to the database. Retrying (1)...
Error: getaddrinfo ENOTFOUND mysql mysql:3306
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:56:26)
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