Generic/SpreadOperatorSpacingAfter: move parse error test to its own file

Author: biinari

src/Standards/Generic/Tests/WhiteSpace/SpreadOperatorSpacingAfterUnitTest.1.inc

@@ -74,6 +74,3 @@ $map = array_map(strtolower(...), $map);
 
 // Ignore PHP 8.1 first class callable declarations.
 $map = array_map(strtolower( ... ), $map);
-
-// Intentional parse error. This has to be the last test in the file.
-function bar( ...

src/Standards/Generic/Tests/WhiteSpace/SpreadOperatorSpacingAfterUnitTest.1.inc.fixed

@@ -69,6 +69,3 @@ $map = array_map(strtolower(...), $map);
 
 // Ignore PHP 8.1 first class callable declarations.
 $map = array_map(strtolower( ... ), $map);
-
-// Intentional parse error. This has to be the last test in the file.
-function bar( ...

src/Standards/Generic/Tests/WhiteSpace/SpreadOperatorSpacingAfterUnitTest.2.inc

@@ -0,0 +1,4 @@
+<?php
+
+// Intentional parse error. Testing that the sniff is *not* triggered in this case.
+function bar( ...