TravisCI - install locales before running tests

.travis.yml

@@ -5,6 +5,10 @@ php:
   - 7.0
   - 7.1
 
+before_install:
+  - sudo apt-get install locales
+  - sed -i 's/^# de_DE/de_DE/g; s/^# es_ES/es_ES/g; s/^# en_GB/en_GB/g; s/^# en_US/en_US/g; s/^# fr_FR/fr_FR/g; s/^# it_IT/it_IT/g; s/^# pl_PL/pl_PL/g; s/^# ru_RU/ru_RU/g;' /etc/locale.gen && locale-gen
+
 install:
   - composer install
 

tests/Utilities/LocaleTest.php

@@ -11,6 +11,7 @@ namespace Meritoo\Common\Test\Utilities;
 use Generator;
 use Meritoo\Common\Test\Base\BaseTestCase;
 use Meritoo\Common\Utilities\Locale;
+use ReflectionException;
 
 /**
  * Test case of the useful locale methods
@@ -20,6 +21,9 @@ use Meritoo\Common\Utilities\Locale;
  */
 class LocaleTest extends BaseTestCase
 {
+    /**
+     * @throws ReflectionException
+     */
     public function testConstructor()
     {
         static::assertHasNoConstructor(Locale::class);