The Texas Integrated Report is a requirement of the federal Clean Water Act Sections 305(b) and 303(d). The Texas Integrated Report describes the status of Texasâ natural waters based on historical data.
Hence there are four software test types: 1  Functional testing. 2  Non-functional testing. 3  Structural testing.  Change related testing.
There are two different levels of tests from the perspective of customers: low-level testing (LLT) and high-level testing (HLT). LLT is a group of tests for different level components of software application or product. HLT is a group of tests for the whole software application or product.