Bug#31481 test suite parts: Many tests fail because of changed server error codes
   Bug#31243 Test "partition_basic_myisam" truncates path names
+ minor cleanup


mysql-test/suite/parts/inc/partition.pre:
  - Blow column file_list up to VARBINARY(10000)
     = Fix for Bug#31243 Test "partition_basic_myisam" truncates path names
  - Minor cleanup
    = remove reference to fixed bugs #17455, #19305
mysql-test/suite/parts/inc/partition_alter_1.inc:
  Adjust expected server error codes
mysql-test/suite/parts/inc/partition_check.inc:
  Adjust expected server error codes
mysql-test/suite/parts/inc/partition_syntax.inc:
  Minor cleanup
  = replace error numbers with error names
mysql-test/suite/parts/inc/partition_syntax_1.inc:
  Adjust expected server error codes
mysql-test/suite/parts/r/partition_alter1_innodb.result:
  Updated results
mysql-test/suite/parts/r/partition_alter1_myisam.result:
  Updated results
mysql-test/suite/parts/r/partition_alter2_innodb.result:
  Updated results
mysql-test/suite/parts/r/partition_alter2_myisam.result:
  Updated results
mysql-test/suite/parts/r/partition_alter3_innodb.result:
  Updated results
mysql-test/suite/parts/r/partition_alter3_myisam.result:
  Updated results
mysql-test/suite/parts/r/partition_alter4_innodb.result:
  Updated results
mysql-test/suite/parts/r/partition_alter4_myisam.result:
  Updated results
mysql-test/suite/parts/r/partition_basic_innodb.result:
  Updated results
mysql-test/suite/parts/r/partition_basic_myisam.result:
  Updated results
mysql-test/suite/parts/r/partition_engine_innodb.result:
  Updated results
mysql-test/suite/parts/r/partition_engine_myisam.result:
  Updated results
mysql-test/suite/parts/r/partition_syntax_innodb.result:
  Updated results
mysql-test/suite/parts/r/partition_syntax_myisam.result:
  Updated results