About the test repeatedly, which is why, time and budget development. It is a problem that is not on the development not spicy, but we can reduce the problem.
About the test repeated. This causes a waste of time and money in development. The problem is unavoidable in development. But we can reduce the problem down.
About the test repeated several times. The cause of time and budget development. Problem is unavoidable in the development, but we can reduce the problem down.