Init some variables that changes between test cases direclty in run_testcase This can not be done in run_testcase_start_servers as embedded never starts a server Add error if mysqld_start is called in embedded mode 
Init some variables that changes between test cases direclty in run_testcase
This can not be done in run_testcase_start_servers as embedded never starts a server
Add error if mysqld_start is called in embedded mode 

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