Testing Global software differs from conventional software testing in that the test design approach must consider the defined and implied issues of specific culture, language, date format, currency format, etc. [1, 2] In Bi-directional software testing (Software targeting Arabic, Hebrew, etc.) has many unique issues. Target users of Arabic software demand the same high quality standards as other users. Developers and localizers must fully understand the unique aspects of the Arabic language and ensure complete test coverage to the software quality attributes. In this paper we briefly discuss the critical issues and challenges concerning QA/Testing of Bidirectional languages software.