Drop PHP 5.4, 5.5 and HHVM support. Also, PHPUnit 5

Author: carusogabriel

.travis.yml

@@ -1,26 +1,32 @@
 language: php
 
+sudo: false
+
+notifications:
+  email:
+    on_success: never
+
 php:
-  - 5.4
-  - 5.5
-  - 5.6
   - 7.0
   - 7.1
-  - hhvm
+  - nightly
 
 matrix:
+  fast_finish: true
+  allow_failures:
+    - php: nightly
   include:
-    - php: 5.4
+    - php: 7.0
       env: dependencies=lowest
 
 before_script:
-  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then composer require satooshi/php-coveralls:dev-master -n ; fi
-  - if [[ "$TRAVIS_PHP_VERSION" != '5.6' ]]; then composer install -n ; fi
+  - if [[ $(phpenv version-name) == '7.1' ]]; then composer require satooshi/php-coveralls:dev-master -n ; fi
+  - if [[ $(phpenv version-name) != '7.1' ]]; then composer install -n ; fi
   - if [ "$dependencies" = "lowest" ]; then composer update --prefer-lowest --prefer-stable -n; fi;
 
 script:
-  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then vendor/bin/phpunit --coverage-clover clover.xml ; fi
-  - if [[ "$TRAVIS_PHP_VERSION" != '5.6' ]]; then vendor/bin/phpunit ; fi
+  - if [[ $(phpenv version-name) == '7.1' ]]; then vendor/bin/phpunit --coverage-clover clover.xml ; fi
+  - if [[ $(phpenv version-name) != '7.1' ]]; then vendor/bin/phpunit ; fi
 
 after_script:
-  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then php vendor/bin/coveralls -v ; fi
+  - if [[ $(phpenv version-name) == '7.1' ]]; then php vendor/bin/coveralls -v ; fi

composer.json

@@ -16,10 +16,10 @@
         }
     },
     "require": {
-        "php": "~5.4|~7.0",
-        "phpunit/phpunit-mock-objects": "~2.0|~3.0|~4.0"
+        "php": "~7.0",
+        "phpunit/phpunit-mock-objects": "~4.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.8.35|~5.7|~6.4"
+        "phpunit/phpunit": "~6.4"
     }
 }

tests/EasyMockTest.php

@@ -128,7 +128,7 @@ public function should_allow_to_spy_method_calls()
         ));
 
         // Test PHPUnit's internals to check that the spy was registered
-        $property = new \ReflectionProperty(TestCase::class, 'mockObjects');
+        $property = new \ReflectionProperty('PHPUnit\Framework\TestCase', 'mockObjects');
         $property->setAccessible(true);
         $mockObjects = $property->getValue($this);