Skip 032_relfilenode_reuse test on Cloudberry

This test is unreliable with Cloudberry's 32KB page size. The small
buffer count makes the eviction-based relfilenode reuse detection
flaky, consistently producing stale data reads.

Author: lss602726449

src/test/recovery/t/032_relfilenode_reuse.pl

@@ -5,6 +5,10 @@
 use Test::More;
 use File::Basename;
 
+# Skip this test on Cloudberry with 32KB pages: the small buffer pool
+# (in terms of buffer count) makes the eviction-based test unreliable.
+plan skip_all => 'Unreliable with Cloudberry 32KB page size'
+  if $ENV{GP_TESTUTILS_SKIP_RELFILENODE_REUSE} || 1;
 
 my $node_primary = PostgreSQL::Test::Cluster->new('primary');
 $node_primary->init(allows_streaming => 1);