fixup! Unify structure for ext/random's randomizer tests

Author: TimWolla

ext/random/tests/03_randomizer/next_int.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Random: Randomizer: nextInt(): Basic functionality.
+Random: Randomizer: nextInt(): Basic functionality
 --FILE--
 <?php
 

ext/random/tests/03_randomizer/pick_array_keys_error.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Random: Randomizer: pickArrayKeys(): Parameters are correctly validated.
+Random: Randomizer: pickArrayKeys(): Parameters are correctly validated
 --FILE--
 <?php
 
@@ -10,6 +10,12 @@ function randomizer(): Randomizer
     return new Randomizer();
 }
 
+try {
+    var_dump(randomizer()->pickArrayKeys("foo", 2));
+} catch (TypeError $e) {
+    echo $e->getMessage(), PHP_EOL;
+}
+
 try {
     var_dump(randomizer()->pickArrayKeys([], 0));
 } catch (ValueError $e) {
@@ -34,26 +40,10 @@ try {
     echo $e->getMessage(), PHP_EOL;
 }
 
-var_dump(randomizer()->pickArrayKeys(range(1, 3), 3));
-var_dump(randomizer()->pickArrayKeys(range(1, 3), 2));
-
 ?>
 --EXPECTF--
+Random\Randomizer::pickArrayKeys(): Argument #1 ($array) must be of type array, string given
 Random\Randomizer::pickArrayKeys(): Argument #1 ($array) cannot be empty
 Random\Randomizer::pickArrayKeys(): Argument #2 ($num) must be between 1 and the number of elements in argument #1 ($array)
 Random\Randomizer::pickArrayKeys(): Argument #2 ($num) must be between 1 and the number of elements in argument #1 ($array)
 Random\Randomizer::pickArrayKeys(): Argument #2 ($num) must be between 1 and the number of elements in argument #1 ($array)
-array(3) {
-  [0]=>
-  int(%d)
-  [1]=>
-  int(%d)
-  [2]=>
-  int(%d)
-}
-array(2) {
-  [0]=>
-  int(%d)
-  [1]=>
-  int(%d)
-}