Added missing namespaces in tests

Author: staabm

tests/PHPStan/Analyser/data/bug-1014.php

@@ -1,5 +1,7 @@
 <?php declare(strict_types=1);
 
+namespace Bug1014;
+
 use function PHPStan\Testing\assertType;
 
 function bug1014(): void {

tests/PHPStan/Analyser/data/bug-3351.php

@@ -1,5 +1,7 @@
 <?php declare(strict_types = 1);
 
+namespace Bug3351;
+
 use function PHPStan\Testing\assertType;
 
 class HelloWorld

tests/PHPStan/Analyser/data/isset-coalesce-empty-type-post-81.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace IssetCoalesceEmptyTypePost81;
+
 use function PHPStan\Testing\assertType;
 
 function baz(\ReflectionClass $ref): void {

tests/PHPStan/Analyser/data/isset-coalesce-empty-type-pre-81.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace IssetCoalesceEmptyTypePre81;
+
 use function PHPStan\Testing\assertType;
 
 function baz(\ReflectionClass $ref): void {

tests/PHPStan/Analyser/data/mb-strlen-php72.php

@@ -1,6 +1,6 @@
-<?php
+<?php declare(strict_types=1);
 
-declare(strict_types=1);
+namespace MbStrlenPhp72;
 
 use function PHPStan\Testing\assertType;
 

tests/PHPStan/Analyser/data/mb-strlen-php73.php

@@ -1,6 +1,6 @@
-<?php
+<?php declare(strict_types=1);
 
-declare(strict_types=1);
+namespace MbStrlenPhp73;
 
 use function PHPStan\Testing\assertType;
 

tests/PHPStan/Analyser/data/mb-strlen-php8.php

@@ -1,6 +1,6 @@
-<?php
+<?php declare(strict_types=1);
 
-declare(strict_types=1);
+namespace MbStrlenPhp8;
 
 use function PHPStan\Testing\assertType;
 

tests/PHPStan/Analyser/data/mb-strlen-php82.php

@@ -1,10 +1,10 @@
-<?php
+<?php declare(strict_types=1);
 
-declare(strict_types=1);
+namespace MbStrlenPhp82;
 
 use function PHPStan\Testing\assertType;
 
-class MbStrlenPhp8
+class MbStrlenPhp82
 {
 
 	/**

tests/PHPStan/Analyser/data/preg_split.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace PregSplit;
+
 use function PHPStan\Testing\assertType;
 
 class HelloWorld

tests/PHPStan/Analyser/data/splfixedarray-iterator-types.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace SplFixedArrayIteratorTypes;
+
 class HelloWorld
 {
 	/**