Merge branch '2.8' into 3.2

* 2.8:
  Refactored other PHPUnit method calls to work with namespaced PHPUnit 6
  Further refactorings to PHPUnit namespaces
  resolve parameters in definition classes

Author: nicolas-grekas

Tests/CookieTest.php

@@ -85,7 +85,7 @@ public function testFromStringWithUrl()
 
     public function testFromStringThrowsAnExceptionIfCookieIsNotValid()
     {
-        $this->setExpectedException('InvalidArgumentException');
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('InvalidArgumentException');
         Cookie::fromString('foo');
     }
 
@@ -98,7 +98,7 @@ public function testFromStringIgnoresInvalidExpiresDate()
 
     public function testFromStringThrowsAnExceptionIfUrlIsNotValid()
     {
-        $this->setExpectedException('InvalidArgumentException');
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('InvalidArgumentException');
         Cookie::fromString('foo=bar', 'foobar');
     }