Ensuring the correspondence of IT infrastructure to business demands has always been urgent for organizations working on the highly competitive markets. As the activity expands, the number of systems in the IT environment of organizations increases and the business processes, automated by several applications, appear. The old method of the information system integration “with each other” becomes a bottleneck.

The company’s integration in the corporate data warehouse will solve the problem of storing, retrieving and effective use of information. This will open new possibilities for development of the enterprise and profitable investments.

Modern information systems are prone to constant changes. Business development, improvement of the software used, changes of the laws are far from making a complete list of reasons for system updating. While setting the improved information system in operation, business-departments managers face the questions — how the quality of services will be influenced by integration of a new functionality, how the efficiency of existing services can be preserved? One can get the answer with the help of regression testing.