19. A Dynamic Java Message Service Emulation system comprising: one or more hardware processors; and a computer-readable medium storing instructions that, when executed by the one or more hardware processors, cause the one or more hardware processors to perform operations comprising: instantiating a Dynamic Enterprise Java Bean (DEJB); receiving, from a source system, a request at the DEJB, the request queued in a request queue of the source system, the request received in accordance with a priority level of the request; identifying, based on the request, a system for which system integration testing is to be performed; generating, based on identifying the system for which system integration testing is to be performed, a query for business rules for processing the request; receiving, in response to the query, via a Java Bean framework, the business rules; configuring, via the Java Bean framework, the DEJB using the business rules; processing, via the one or more hardware processors, the request using the configured DEJB to perform integration testing of the system identified based on the request and generate a response; and providing, via the one or more hardware processors, the response as an output of the configured DEJB.
19. A Dynamic Java Message Service Emulation system comprising: one or more hardware processors; and a computer-readable medium storing instructions that, when executed by the one or more hardware processors, cause the one or more hardware processors to perform operations comprising: instantiating a Dynamic Enterprise Java Bean (DEJB); receiving, from a source system, a request at the DEJB, the request queued in a request queue of the source system, the request received in accordance with a priority level of the request; identifying, based on the request, a system for which system integration testing is to be performed; generating, based on identifying the system for which system integration testing is to be performed, a query for business rules for processing the request; receiving, in response to the query, via a Java Bean framework, the business rules; configuring, via the Java Bean framework, the DEJB using the business rules; processing, via the one or more hardware processors, the request using the configured DEJB to perform integration testing of the system identified based on the request and generate a response; and providing, via the one or more hardware processors, the response as an output of the configured DEJB. 23. The system of claim 19 , wherein: the business rules are stored in a file formatted according to XML; and the query for the business rules is formatted according to an XML query language.