Fix: Use PHPUnit\TestFixture as namespace for test fixtures

Author: localheinz

tests/_files/3194.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 use PHPUnit\Framework\TestCase;
 
 trait T3194
@@ -28,7 +30,7 @@ public function doSomething(): bool
 }
 
 /**
- * @covers C3194
+ * @covers \PHPUnit\TestFixture\C3194
  */
 final class Test3194 extends TestCase
 {

tests/_files/AbstractMockTestClass.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 abstract class AbstractMockTestClass implements MockTestInterface
 {
     abstract public function doSomething();

tests/_files/AbstractTest.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 use PHPUnit\Framework\TestCase;
 
 abstract class AbstractTest extends TestCase

tests/_files/AbstractTrait.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 trait AbstractTrait
 {
     abstract public function doSomething();

tests/_files/AbstractVariousIterableDataProviderTest.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 abstract class AbstractVariousIterableDataProviderTest
 {
     abstract public function asArrayProvider();

tests/_files/AnInterface.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 interface AnInterface
 {
     public function doSomething();

tests/_files/AnInterfaceWithReturnType.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 interface AnInterfaceWithReturnType
 {
     public function returnAnArray(): array;

tests/_files/ArrayAccessible.php

@@ -7,6 +7,14 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
+use function array_key_exists;
+use ArrayAccess;
+use ArrayIterator;
+use IteratorAggregate;
+use ReturnTypeWillChange;
+
 class ArrayAccessible implements ArrayAccess, IteratorAggregate
 {
     private $array;
@@ -19,7 +27,7 @@ public function __construct(array $array = [])
     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
-        return \array_key_exists($offset, $this->array);
+        return array_key_exists($offset, $this->array);
     }
 
     #[ReturnTypeWillChange]

tests/_files/AssertionExample.php

@@ -7,10 +7,14 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
+use function assert;
+
 class AssertionExample
 {
     public function doSomething(): void
     {
-        \assert(false);
+        assert(false);
     }
 }

tests/_files/AssertionExampleTest.php

@@ -7,6 +7,8 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+namespace PHPUnit\TestFixture;
+
 use PHPUnit\Framework\TestCase;
 
 class AssertionExampleTest extends TestCase