MDEV-13559 encryption.innodb-redo-badkey failed in buildbot

Add suppressions for the read and decompression errors.
This may be 10.3 specific and related to MDEV-13536 which increases
purge activity. But it does not hurt to suppress rarely occurring
and plausible error messages for this fault-injection test already in 10.2.

mysql-test/suite/encryption/r/innodb-redo-badkey.result

 call mtr.add_suppression("Plugin 'file_key_management'");
 call mtr.add_suppression("Plugin 'InnoDB' init function returned error.");
-call mtr.add_suppression("InnoDB: The page \[page id: space=[1-9][0-9]*, page number=[0-9]+\] in file test/t[1-4] cannot be decrypted");
+call mtr.add_suppression("InnoDB: The page \\[page id: space=[1-9][0-9]*, page number=[0-9]+\\] in file test/t[1-4] cannot be decrypted");
+call mtr.add_suppression("InnoDB: Unable to decompress .*.test.t1\\.ibd\\[page id: space=[1-9][0-9]*, page number=[0-9]+\\]");
+call mtr.add_suppression("InnoDB: Database page corruption on disk or a failed file read of tablespace test/t1 page \\[page id: space=[1-9][0-9]*, page number=[0-9]*\\]");
 call mtr.add_suppression("InnoDB: Plugin initialization aborted");
 call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed");
 # Restart mysqld --file-key-management-filename=keys2.txt

mysql-test/suite/encryption/t/innodb-redo-badkey.test

@@ -5,7 +5,9 @@
 
 call mtr.add_suppression("Plugin 'file_key_management'");
 call mtr.add_suppression("Plugin 'InnoDB' init function returned error.");
-call mtr.add_suppression("InnoDB: The page \[page id: space=[1-9][0-9]*, page number=[0-9]+\] in file test/t[1-4] cannot be decrypted");
+call mtr.add_suppression("InnoDB: The page \\[page id: space=[1-9][0-9]*, page number=[0-9]+\\] in file test/t[1-4] cannot be decrypted");
+call mtr.add_suppression("InnoDB: Unable to decompress .*.test.t1\\.ibd\\[page id: space=[1-9][0-9]*, page number=[0-9]+\\]");
+call mtr.add_suppression("InnoDB: Database page corruption on disk or a failed file read of tablespace test/t1 page \\[page id: space=[1-9][0-9]*, page number=[0-9]*\\]");
 call mtr.add_suppression("InnoDB: Plugin initialization aborted");
 call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed");