Merge branch '9.3' into 9.4

Author: sebastianbergmann

src/textui.rst

@@ -266,10 +266,10 @@ the following code:
             :name: textui.examples.TestCaseClass.php
 
             <?php
-            use PHPUnit\Framework\TestCase;
-
             namespace TestNamespace;
 
+            use PHPUnit\Framework\TestCase;
+
             class TestCaseClass extends TestCase
             {
                 /**

src/writing-tests-for-phpunit.rst

@@ -485,14 +485,14 @@ See :numref:`writing-tests-for-phpunit.data-providers.examples.DependencyAndData
             return [['provider1'], ['provider2']];
         }
 
-        public function testProducerFirst(): void
+        public function testProducerFirst(): string
         {
             $this->assertTrue(true);
 
             return 'first';
         }
 
-        public function testProducerSecond(): void
+        public function testProducerSecond(): string
         {
             $this->assertTrue(true);
 
@@ -558,7 +558,7 @@ See :numref:`writing-tests-for-phpunit.data-providers.examples.DependencyAndData
             $this->assertSame($expected, $a + $b);
         }
 
-        public function additionWithNonNegativeNumbersProvider(): void
+        public function additionWithNonNegativeNumbersProvider(): array
         {
             return [
                 [0, 1, 1],