post push patch of bug#49369 updating test by removing

select of platform dependend variable.

mysql-test/r/partition_key_cache.result

@@ -8,9 +8,6 @@ SELECT @org_key_cache_buffer_size:= @@global.default.key_buffer_size;
 SET @@global.default.key_buffer_size = 1;
 Warnings:
 Warning	1292	Truncated incorrect key_buffer_size value: '1'
-SELECT @@global.default.key_buffer_size;
-@@global.default.key_buffer_size
-36
 CREATE TABLE t1 (
 a INT,
 b INT,

mysql-test/t/partition_key_cache.test

@@ -10,7 +10,6 @@ DROP TABLE IF EXISTS t1, t2, v, x;
 SELECT @org_key_cache_buffer_size:= @@global.default.key_buffer_size;
 --echo # Minimize default key cache (almost disabled).
 SET @@global.default.key_buffer_size = 1;
-SELECT @@global.default.key_buffer_size;
 CREATE TABLE t1 (
   a INT,
   b INT,