Merge pull request #14892 from TolyaTalamanov:at/parameterized-render-tests

G-API: Parameterized render tests (#14892)

* Init commit

* Add mat size as test parameter

* Add test for text render

* Add test for rect render

* Add tests for line and circle

* Remove old render tests

* Init output mats

* Remove methods input arguments

* Add comment about data loss in BGR2NV12 conversion

* Add edge test cases

* Replace default color for out mats black -> white

modules/gapi/test/common/gapi_render_tests.cpp

@@ -0,0 +1,9 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+//
+// Copyright (C) 2018 Intel Corporation
+
+
+#include "../test_precomp.hpp"
+#include "gapi_render_tests_inl.hpp"