Update travis

.travis.yml

@@ -1,23 +1,28 @@
 language: php
 
-dist: trusty
+dist: xenial
 
-env:
+services:
-  global:
+  - mysql
-    - COMPOSER_ROOT_VERSION=2.0.x-dev
+  - postgresql
+
+cache:
+  directories:
+    - $HOME/.composer/cache/files
+
+global:
+  - COMPOSER_ROOT_VERSION=2.2.x-dev
 
 matrix:
   include:
     - php: 7.1
-      env: DB=MYSQL RECIPE_VERSION=4.3.x-dev PHPCS_TEST=1 PHPUNIT_TEST=1
+      env: DB=MYSQL RECIPE_VERSION=4.5.x-dev PHPUNIT_TEST=1 PHPCS_TEST=1 PDO=1
-    - php: 7.1
-      env: DB=MYSQL RECIPE_VERSION=4.4.x-dev PHPUNIT_TEST=1
     - php: 7.2
-      env: DB=PGSQL RECIPE_VERSION=4.3.x-dev PHPUNIT_COVERAGE_TEST=1
+      env: DB=PGSQL RECIPE_VERSION=4.6.x-dev PHPUNIT_COVERAGE_TEST=1
-    - php: 7.2
-      env: DB=MYSQL RECIPE_VERSION=4.4.x-dev PHPUNIT_TEST=1
     - php: 7.3
-      env: DB=MYSQL RECIPE_VERSION=4.x-dev
+      env: DB=MYSQL RECIPE_VERSION=4.6.x-dev PHPUNIT_TEST=1 
+    - php: 7.4
+      env: DB=MYSQL RECIPE_VERSION=4.x-dev PHPUNIT_TEST=1
 
 before_script:
   # Init PHP
@@ -26,8 +31,10 @@ before_script:
 
   # Install composer dependencies
   - composer validate
-  - composer require --no-update silverstripe/recipe-core:"$RECIPE_VERSION"
+  - composer require --no-update silverstripe/recipe-core:$RECIPE_VERSION
-  - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql 2.1.x-dev; fi
+  # Fix for running phpunit 5 on php 7.4+
+  - composer require --no-update sminnee/phpunit-mock-objects:^3
+  - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql:^2; fi
   - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
 
 script: