This paper tries to reexamine the practice of the second language testing in Sri Lanka. Testing is considered a way to systematically measure a person's ability or knowledge, and it is formalized as a set of techniques or procedures. Testing also plays an important part in language learning and evaluation in classroom settings. In fact, there are no Second Language Development and Language Testing researchers have discussed the roles of testing and its development in Sri Lanka. Government of Sri Lanka has taken an action to teach Tamil or Sinhala as a L2 in different levels - School students, University students, Government servants - and evaluate them in many ways. Fundamental concepts and criteria which are thought to underpin good language testing. Discussing the importance of the interface and different perspectives between Language Testing and Second Language Development which explore learners' test-taking process and strategies. This article suggests that it is essential to examine not only final linguistic products of tests but also the entire test taking process to make language tests more communicatively relevant.