Compatibility with recent PHPUnit (8)

tests/Hamcrest/Core/CombinableMatcherTest.php

@@ -7,7 +7,7 @@ class CombinableMatcherTest extends \Hamcrest\AbstractMatcherTest
     private $_either_3_or_4;
     private $_not_3_and_not_4;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_either_3_or_4 = \Hamcrest\Core\CombinableMatcher::either(equalTo(3))->orElse(equalTo(4));
         $this->_not_3_and_not_4 = \Hamcrest\Core\CombinableMatcher::both(not(equalTo(3)))->andAlso(not(equalTo(4)));

tests/Hamcrest/Core/IsInstanceOfTest.php

@@ -7,7 +7,7 @@ class IsInstanceOfTest extends \Hamcrest\AbstractMatcherTest
     private $_baseClassInstance;
     private $_subClassInstance;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_baseClassInstance = new \Hamcrest\Core\SampleBaseClass('good');
         $this->_subClassInstance = new \Hamcrest\Core\SampleSubClass('good');

tests/Hamcrest/Core/SetTest.php

@@ -7,7 +7,7 @@ class SetTest extends \Hamcrest\AbstractMatcherTest
     public static $_classProperty;
     public $_instanceProperty;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         self::$_classProperty = null;
         unset($this->_instanceProperty);

tests/Hamcrest/FeatureMatcherTest.php

@@ -34,7 +34,7 @@ class FeatureMatcherTest extends \Hamcrest\AbstractMatcherTest
 
     private $_resultMatcher;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_resultMatcher = $this->_resultMatcher();
     }

tests/Hamcrest/MatcherAssertTest.php

@@ -6,7 +6,7 @@
 class MatcherAssertTest extends TestCase
 {
 
-    protected function setUp()
+    protected function setUp(): void
     {
         \Hamcrest\MatcherAssert::resetCount();
     }

tests/Hamcrest/StringDescriptionTest.php

@@ -23,7 +23,7 @@ class StringDescriptionTest extends TestCase
 
     private $_description;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_description = new \Hamcrest\StringDescription();
     }

tests/Hamcrest/Text/IsEqualIgnoringWhiteSpaceTest.php

@@ -6,7 +6,7 @@ class IsEqualIgnoringWhiteSpaceTest extends \Hamcrest\AbstractMatcherTest
 
     private $_matcher;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_matcher = \Hamcrest\Text\IsEqualIgnoringWhiteSpace::equalToIgnoringWhiteSpace(
             "Hello World   how\n are we? "

tests/Hamcrest/Text/StringContainsIgnoringCaseTest.php

@@ -8,7 +8,7 @@ class StringContainsIgnoringCaseTest extends \Hamcrest\AbstractMatcherTest
 
     private $_stringContains;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_stringContains = \Hamcrest\Text\StringContainsIgnoringCase::containsStringIgnoringCase(
             strtolower(self::EXCERPT)

tests/Hamcrest/Text/StringContainsInOrderTest.php

@@ -6,7 +6,7 @@ class StringContainsInOrderTest extends \Hamcrest\AbstractMatcherTest
 
     private $_m;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_m = \Hamcrest\Text\StringContainsInOrder::stringContainsInOrder(array('a', 'b', 'c'));
     }

tests/Hamcrest/Text/StringContainsTest.php

@@ -8,7 +8,7 @@ class StringContainsTest extends \Hamcrest\AbstractMatcherTest
 
     private $_stringContains;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_stringContains = \Hamcrest\Text\StringContains::containsString(self::EXCERPT);
     }

tests/Hamcrest/Text/StringEndsWithTest.php

@@ -8,7 +8,7 @@ class StringEndsWithTest extends \Hamcrest\AbstractMatcherTest
 
     private $_stringEndsWith;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_stringEndsWith = \Hamcrest\Text\StringEndsWith::endsWith(self::EXCERPT);
     }

tests/Hamcrest/Text/StringStartsWithTest.php

@@ -8,7 +8,7 @@ class StringStartsWithTest extends \Hamcrest\AbstractMatcherTest
 
     private $_stringStartsWith;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->_stringStartsWith = \Hamcrest\Text\StringStartsWith::startsWith(self::EXCERPT);
     }

tests/Hamcrest/Xml/HasXPathTest.php

@@ -7,7 +7,7 @@ class HasXPathTest extends \Hamcrest\AbstractMatcherTest
     protected static $doc;
     protected static $html;
 
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         self::$xml = <<<XML
 <?xml version="1.0"?>