Fix build

Author: ondrejmirtes

tests/PHPStan/Rules/Arrays/ArrayUnpackingRuleTest.php

@@ -86,14 +86,6 @@ public function testRuleDoNotCheckBenevolentUnion(): void
 				'Array unpacking cannot be used on an array with string keys: array<string, string>',
 				18,
 			],
-			[
-				'Array unpacking cannot be used on an array with potential string keys: array<string>',
-				40,
-			],
-			[
-				'Array unpacking cannot be used on an array with potential string keys: array<string>',
-				52,
-			],
 			[
 				'Array unpacking cannot be used on an array with string keys: array{foo: string, bar: int}',
 				63,