The aim of this thesis is to verify the Testing methodology according to international practices and standards which was created and published by Iveta Králová in her thesis in 2013. In order to achieve this goal multiple partial goals have been set. In the theoretical part the basic concepts used in this thesis are identified and described and also the Test methodology according to international practices and standards is introduced. The practical part focuses on other sub-objectives. First, the project on which the Methodology was verified is introduced. Then the way in which the Methodology was verified is described followed by the actual realization of verification. After that the adjustments and modifications of the Methodology are rec...