Apply CS fixes

Author: mpdude

extra/html-extra/Tests/HtmlAttrMergeTest.php

@@ -22,7 +22,7 @@ class HtmlAttrMergeTest extends TestCase
     /**
      * @dataProvider htmlAttrProvider
      */
-    public function testMerge(array $expected, array $inputs): void
+    public function testMerge(array $expected, array $inputs)
     {
         $result = HtmlExtension::htmlAttrMerge(...$inputs);
 
@@ -181,7 +181,7 @@ public static function htmlAttrProvider(): \Generator
         ];
     }
 
-    public function testIncompatibleValuesMergeThrowsException(): void
+    public function testIncompatibleValuesMergeThrowsException()
     {
         $this->expectException(RuntimeError::class);
         $this->expectExceptionMessage('Cannot merge incompatible values for key "test"');

extra/html-extra/Tests/HtmlAttrTest.php

@@ -22,7 +22,7 @@ class HtmlAttrTest extends TestCase
     /**
      * @dataProvider htmlAttrProvider
      */
-    public function testPrintingAttributes(string $expected, array $inputs): void
+    public function testPrintingAttributes(string $expected, array $inputs)
     {
         $result = HtmlExtension::htmlAttr(new Environment(new ArrayLoader()), ...$inputs);