MAGETWO-38216: Reduce Execution Time of Integration Tests on Travis CI

- CR comments

.travis.yml

@@ -4,8 +4,8 @@ php:
   - 5.6
 env:
   - TEST_SUITE=unit
-  - TEST_SUITE=integrationPart1
-  - TEST_SUITE=integrationPart2
+  - TEST_SUITE=integration_part_1
+  - TEST_SUITE=integration_part_2
   - TEST_SUITE=integration_integrity
   - TEST_SUITE=static_phpcs
   - TEST_SUITE=static_annotation
@@ -33,7 +33,7 @@ before_script:
   - echo '' > ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini
   # Install MySQL 5.6, create DB for integration tests
   - >
-      sh -c "if [ '$TEST_SUITE' = 'integrationPart1' ] || [ '$TEST_SUITE' = 'integrationPart2' ] || [ '$TEST_SUITE' = 'integration_integrity' ]; then
+      sh -c "if [ '$TEST_SUITE' = 'integration_part_1' ] || [ '$TEST_SUITE' = 'integration_part_2' ] || [ '$TEST_SUITE' = 'integration_integrity' ]; then
       sudo apt-get remove --purge mysql-common mysql-server-5.5 mysql-server-core-5.5 mysql-client-5.5 mysql-client-core-5.5;
       sudo apt-get autoremove;
       sudo apt-get autoclean;
@@ -47,14 +47,13 @@ before_script:
   - echo 'memory_limit = -1' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
   - phpenv rehash;
   - composer install --no-interaction --dev
-  - chmod +x  dev/tests/integration/IntegationTestsForTravis.sh
 script:
   # Unit tests
   - sh -c "if [ '$TEST_SUITE' = 'unit' ]; then ./vendor/bin/phpunit -c dev/tests/unit/phpunit.xml.dist; fi"
   # Integration tests
-  - sh -c "if [ '$TEST_SUITE' = 'integrationPart1' ] || [ '$TEST_SUITE' = 'integrationPart2' ]; then cd dev/tests/integration/; bash IntegationTestsForTravis.sh 2; fi"
-  - sh -c "if [ '$TEST_SUITE' = 'integrationPart1' ]; then cd dev/tests/integration/; ./../../../vendor/bin/phpunit -c phpunit.xml.travis1; fi"
-  - sh -c "if [ '$TEST_SUITE' = 'integrationPart2' ]; then cd dev/tests/integration/; ./../../../vendor/bin/phpunit -c phpunit.xml.travis2; fi"
+  - sh -c "if [ '$TEST_SUITE' = 'integration_part_1' ] || [ '$TEST_SUITE' = 'integration_part_2' ]; then cd dev/tests/integration/; bash IntegationTestsForTravis.sh 2; fi"
+  - sh -c "if [ '$TEST_SUITE' = 'integration_part_1' ]; then cd dev/tests/integration/; ./../../../vendor/bin/phpunit -c phpunit.xml.travis1; fi"
+  - sh -c "if [ '$TEST_SUITE' = 'integration_part_2' ]; then cd dev/tests/integration/; ./../../../vendor/bin/phpunit -c phpunit.xml.travis2; fi"
   # Integration integrity tests
   - sh -c "if [ '$TEST_SUITE' = 'integration_integrity' ]; then cd dev/tests/integration/; ./../../../vendor/bin/phpunit -c phpunit.xml.dist testsuite/Magento/Test/Integrity; fi"
   # Static tests [Code Style]