func_2.xxx_charset skipped after renaming utf8 to utf8mb3

./mtr \

funcs_2.memory_charset \

funcs_2.myisam_charset \

funcs_2.innodb_charset \

funcs_2/charset.charset_master

TEST                                      RESULT   TIME (ms) or COMMENT

--------------------------------------------------------------------------

worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019

funcs_2.innodb_charset 'innodb'          [ skipped ]  Not all character sets required for this test are present

funcs_2.memory_charset                   [ skipped ]  Not all character sets required for this test are present

funcs_2.myisam_charset                   [ skipped ]  Not all character sets required for this test are present

set @save_character_set_database= @@character_set_database;

funcs_2/charset.charset_master           [ skipped ]  Not all character sets required for this test are present

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