minor #36680 [3.4][Inflector] Improve testSingularize() argument name…

… (fancyweb)

This PR was merged into the 3.4 branch.

Discussion
----------

[3.4][Inflector] Improve testSingularize() argument name

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | #36639 (comment)
| License       | MIT
| Doc PR        | -

Follow up of #36639 on 3.4 to keep both tests methods synchronized.

Commits
-------

7540524 [3.4][Inflector] Improve testSingularize() argument name

src/Symfony/Component/Inflector/Tests/InflectorTest.php

@@ -160,15 +160,15 @@ public function singularizeProvider()
     /**
      * @dataProvider singularizeProvider
      */
-    public function testSingularize($plural, $singular)
+    public function testSingularize($plural, $expectedSingular)
     {
-        $single = Inflector::singularize($plural);
-        if (\is_string($singular) && \is_array($single)) {
-            $this->fail("--- Expected\n`string`: ".$singular."\n+++ Actual\n`array`: ".implode(', ', $single));
-        } elseif (\is_array($singular) && \is_string($single)) {
-            $this->fail("--- Expected\n`array`: ".implode(', ', $singular)."\n+++ Actual\n`string`: ".$single);
+        $singular = Inflector::singularize($plural);
+        if (\is_string($expectedSingular) && \is_array($singular)) {
+            $this->fail("--- Expected\n`string`: ".$expectedSingular."\n+++ Actual\n`array`: ".implode(', ', $singular));
+        } elseif (\is_array($expectedSingular) && \is_string($singular)) {
+            $this->fail("--- Expected\n`array`: ".implode(', ', $expectedSingular)."\n+++ Actual\n`string`: ".$singular);
         }
 
-        $this->assertEquals($singular, $single);
+        $this->assertEquals($expectedSingular, $singular);
     }
 }