The CA InterTest Batch install guide stated as
You must customize the CAIRIM procedure (CAS9). For detailed information, see the CA Common Services Administration Guide. Change STEPLIB and RIMPARM as follows:
The CAIRIM load library. If CA InterTest Batch was installed into a different target load library than CAIRIM, you must add the CA InterTest Batch CAMRLOAD data set to the STEPLIB concatenation. The CAMRLOAD data set must be APF authorized.
Add the following control card to the member or data set pointed to by the RIMPARM DD for initialization of CA InterTest Batch:
PRODUCT(CA InterTest Batch) VERSION(MR91) INIT(MR91INIT) PARM(220)
CAS9 RIMAPARM has LOADLIB parameter to add CA InterTest Bacth load library(HLQ.CAMRLOAD).
Example: PRODUCT(CA InterTest Batch) VERSION(MR91) INIT(MR91INIT) PARM(220) LOADLIB(HLQ.CAMRLOAD)