minor #32886 [PhpUnitBridge] Add polyfill for methods assertNan, assertFinite and assertInfinite (jderusse)

This PR was merged into the 4.4 branch.

Discussion
----------

[PhpUnitBridge] Add polyfill for methods assertNan, assertFinite and assertInfinite

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #32844
| License       | MIT
| Doc PR        | NA

Provide pollyfile for methods `assertFinite`, `assertInfinite` and `assertNan`

Commits
-------

3450c1705e [PhpUnitBridge] Add polyfill for methods assertNan, assertFinite and assertInfinite

Author: nicolas-grekas

Legacy/ForwardCompatTestTraitForV5.php

@@ -235,6 +235,54 @@ public static function assertIsIterable($actual, $message = '')
         static::assertInternalType('iterable', $actual, $message);
     }
 
+    /**
+     * @param string $message
+     *
+     * @return void
+     */
+    public static function assertFinite($actual, $message = '')
+    {
+        if (\is_callable('parent::assertFinite')) {
+            parent::assertFinite($actual, $message);
+
+            return;
+        }
+        static::assertInternalType('float', $actual, $message);
+        static::assertTrue(is_finite($actual), $message ? $message : "Failed asserting that $actual is finite.");
+    }
+
+    /**
+     * @param string $message
+     *
+     * @return void
+     */
+    public static function assertInfinite($actual, $message = '')
+    {
+        if (\is_callable('parent::assertInfinite')) {
+            parent::assertInfinite($actual, $message);
+
+            return;
+        }
+        static::assertInternalType('float', $actual, $message);
+        static::assertTrue(is_infinite($actual), $message ? $message : "Failed asserting that $actual is infinite.");
+    }
+
+    /**
+     * @param string $message
+     *
+     * @return void
+     */
+    public static function assertNan($actual, $message = '')
+    {
+        if (\is_callable('parent::assertNan')) {
+            parent::assertNan($actual, $message);
+
+            return;
+        }
+        static::assertInternalType('float', $actual, $message);
+        static::assertTrue(is_nan($actual), $message ? $message : "Failed asserting that $actual is nan.");
+    }
+
     /**
      * @param string $exception
      *