Add InvalidIpFormatExceptionTest

module/Core/test/Exception/InvalidIpFormatExceptionTest.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkioTest\Shlink\Core\Exception;
+
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+use Shlinkio\Shlink\Core\Exception\InvalidIpFormatException;
+
+class InvalidIpFormatExceptionTest extends TestCase
+{
+    #[Test]
+    public function fromInvalidIp(): void
+    {
+        $e = InvalidIpFormatException::fromInvalidIp('invalid');
+        self::assertEquals('Provided IP invalid does not have the right format. Expected X.X.X.X', $e->getMessage());
+    }
+}