fixed insufficient precision issue in unit tests.
fixed insufficient precision issue in unit tests.

Biart95/appleseed,pjessesco/appleseed,Biart95/appleseed,est77/appleseed,est77/appleseed,aiivashchenko/appleseed,gospodnetic/appleseed,Aakash1312/appleseed,gospodnetic/appleseed,gospodnetic/appleseed,dictoon/appleseed,aytekaman/appleseed,Vertexwahn/appleseed,aytekaman/appleseed,luisbarrancos/appleseed,Biart95/appleseed,Aakash1312/appleseed,Aakash1312/appleseed,appleseedhq/appleseed,glebmish/appleseed,gospodnetic/appleseed,aytekaman/appleseed,appleseedhq/appleseed,docwhite/appleseed,glebmish/appleseed,pjessesco/appleseed,aiivashchenko/appleseed,docwhite/appleseed,luisbarrancos/appleseed,dictoon/appleseed,Vertexwahn/appleseed,est77/appleseed,Vertexwahn/appleseed,Biart95/appleseed,Biart95/appleseed,appleseedhq/appleseed,aiivashchenko/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,docwhite/appleseed,aytekaman/appleseed,docwhite/appleseed,docwhite/appleseed,dictoon/appleseed,dictoon/appleseed,Aakash1312/appleseed,aiivashchenko/appleseed,est77/appleseed,gospodnetic/appleseed,pjessesco/appleseed,dictoon/appleseed,aiivashchenko/appleseed,glebmish/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,est77/appleseed,luisbarrancos/appleseed,aytekaman/appleseed,Aakash1312/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,Vertexwahn/appleseed,appleseedhq/appleseed,glebmish/appleseed,glebmish/appleseed