ORACLE -- SQL results in "one" CELL ?

How can I change the below SQL so it displays as ONE CELL of results, with commas between values like "CHE, HAZ, PAI" instead of three separate cells ?

select substr(test,2,555) Types
from jobs
where min_salary=1 and substr(test,1,1)='^'
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CREATE TABLE "JOBS"
   ("JOB_ID" VARCHAR2(10),
      "JOB_TITLE" VARCHAR2(35),
      "MIN_SALARY" NUMBER(6,0),
      "MAX_SALARY" NUMBER(6,0),
      "TEST" VARCHAR2(5)
   ) ;
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Insert into JOBS (JOB_ID,JOB_TITLE,MIN_SALARY,MAX_SALARY,TEST) values ('AD_PRES','President, "ceo"',1,40000,'^CHE');
Insert into JOBS (JOB_ID,JOB_TITLE,MIN_SALARY,MAX_SALARY,TEST) values ('AD_VP','Administration Vice President',1,30000,'^HAZ');
Insert into JOBS (JOB_ID,JOB_TITLE,MIN_SALARY,MAX_SALARY,TEST) values ('AD_ASST','Administration Assistant',1,6000,'^PAI');
Insert into JOBS (JOB_ID,JOB_TITLE,MIN_SALARY,MAX_SALARY,TEST) values ('FI_MGR','Finance Manager',1,16000,null);
Insert into JOBS (JOB_ID,JOB_TITLE,MIN_SALARY,MAX_SALARY,TEST) values ('FI_ACCOUNT','Accountant',1,9000,null);
Insert into JOBS (JOB_ID,JOB_TITLE,MIN_SALARY,MAX_SALARY,TEST) values ('AC_MGR','Accounting Manager',1,16000,null);