Document and test that allowInClassWithMethodAttributes means any method including private, static, final etc.

Follow-up to #296

Author: spaze

docs/allow-in-class-with-method-attributes.md

@@ -1,7 +1,7 @@
 ## Allow in class with given attributes on any method
 
 You can allow or disallow a function or a method, an attribute, a namespace or a classname in a class where any method, including the method the call is done in, but not the class itself, has the specified attribute.
-This is done with `allowInClassWithMethodAttributes` and `allowExceptInClassWithMethodAttributes` (or `disallowInClassWithMethodAttributes` which is an alias).
+This is done with `allowInClassWithMethodAttributes` and `allowExceptInClassWithMethodAttributes` (or `disallowInClassWithMethodAttributes` which is an alias). The method with the attribute can also be static, final or even abstract, and the method visibility doesn't matter.
 
 ```neon
 parameters:

tests/src/AttributeClass.php

@@ -103,19 +103,19 @@ public function method1(): void
 
 
 	#[\Attribute6]
-	public function method2(): void
+	private function method2(): void
 	{
 	}
 
 
 	#[\Attribute8]
-	public function method3(): void
+	protected function method3(): void
 	{
 	}
 
 
 	#[\Attribute7, \Attribute9]
-	public function method4(): void
+	final public static function method4(): void
 	{
 	}