test: main.mysqld_option_err - mysqld segfault

sh: line 1: 42207 Segmentation fault: 11  (core dumped) /Users/travis/build/grooverdan/mariadb-server/sql/mysqld --no-defaults --bootstrap --basedir=/Users/travis/build/grooverdan/mariadb-server --datadir=/Users/travis/build/grooverdan/mariadb-server/mysql-test/var/install.db --default-storage-engine=myisam --skip-plugin-aria --skip-plugin-feedback --skip-plugin-innodb --skip-plugin-innodb-buffer-page --skip-plugin-innodb-buffer-page-lru --skip-plugin-innodb-buffer-pool-stats --skip-plugin-innodb-cmp --skip-plugin-innodb-cmp-per-index --skip-plugin-innodb-cmp-per-index-reset --skip-plugin-innodb-cmp-reset --skip-plugin-innodb-cmpmem --skip-plugin-innodb-cmpmem-reset --skip-plugin-innodb-ft-being-deleted --skip-plugin-innodb-ft-config --skip-plugin-innodb-ft-default-stopword --skip-plugin-innodb-ft-deleted --skip-plugin-innodb-ft-index-cache --skip-plugin-innodb-ft-index-table --skip-plugin-innodb-lock-waits --skip-plugin-innodb-locks --skip-plugin-innodb-metrics --skip-plugin-innodb-mutexes --skip-plugin-innodb-sys-columns --skip-plugin-innodb-sys-datafiles --skip-plugin-innodb-sys-fields --skip-plugin-innodb-sys-foreign --skip-plugin-innodb-sys-foreign-cols --skip-plugin-innodb-sys-indexes --skip-plugin-innodb-sys-semaphore-waits --skip-plugin-innodb-sys-tables --skip-plugin-innodb-sys-tablespaces --skip-plugin-innodb-sys-tablestats --skip-plugin-innodb-sys-virtual --skip-plugin-innodb-tablespaces-encryption --skip-plugin-innodb-tablespaces-scrubbing --skip-plugin-innodb-trx --skip-plugin-partition --skip-plugin-sequence --loose-innodb --loose-innodb-log-file-size=5M --disable-sync-frm --tmpdir=/Users/travis/build/grooverdan/mariadb-server/mysql-test/var/tmp/ --core-file --lc-messages-dir=/Users/travis/build/grooverdan/mariadb-server/sql/share/ --character-sets-dir=/Users/travis/build/grooverdan/mariadb-server/sql/share/charsets --skip-networking --datadir=/Users/travis/build/grooverdan/mariadb-server/mysql-test/var/1/tmp/mysqld_option_err --skip-grant-tables --default-storage-engine=nonexistentengine >> /Users/travis/build/grooverdan/mariadb-server/mysql-test/var/1/tmp/mysqld_option_err/mysqltest.log 2>&1

mysqltest: At line 34: command "$MYSQLD_BOOTSTRAP_CMD --skip-networking --datadir=$MYSQLTEST_VARDIR/tmp/mysqld_option_err --skip-grant-tables --default-storage-engine=nonexistentengine >>$MYSQLTEST_VARDIR/tmp/mysqld_option_err/mysqltest.log 2>&1" failed with wrong error: 139

The result from queries just before the failure was:

Test that unknown option is not silently ignored.

Test bad binlog format.

Test bad default storage engine.