Adding expected screenshot for alpha affecting specular property. (#127)

See a034500a10a1e0704efe6cb831d02a028cfc28d1

Scripts/ExpectedScreenshots/StandardPBR/009_opacity_blended_alpha_affects_specular.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:323b6217f67ecf67e5bfcaa64428be155df3a46fc28ac395976f6e973a598ecb
+size 1094972

Scripts/MaterialScreenshotTests.bv.lua

@@ -105,6 +105,7 @@ GenerateMaterialScreenshot('Level C', '007_MultiscatteringCompensationOn')
 GenerateMaterialScreenshot('Level H', '008_NormalMap')
 GenerateMaterialScreenshot('Level E', '008_NormalMap_Bevels')
 GenerateMaterialScreenshot('Level F', '009_Opacity_Blended', {lighting="Neutral Urban", model=g_beveledCubeModel})
+GenerateMaterialScreenshot('Level F', '009_Opacity_Blended_Alpha_Affects_Specular', {lighting="Neutral Urban", model=g_beveledCubeModel})
 GenerateMaterialScreenshot('Level H', '009_Opacity_Cutout_PackedAlpha_DoubleSided', {lighting="Neutral Urban", model=g_beveledCubeModel})
 GenerateMaterialScreenshot('Level H', '009_Opacity_Cutout_SplitAlpha_DoubleSided', {lighting="Neutral Urban", model=g_beveledCubeModel})
 GenerateMaterialScreenshot('Level G', '009_Opacity_Cutout_SplitAlpha_SingleSided', {lighting="Neutral Urban", model=g_beveledCubeModel})
@@ -205,4 +206,4 @@ Print('Saving screenshots to ' .. NormalizePath(g_screenshotOutputFolder))
 g_testMaterialsFolder = 'testdata/materials/autobrick/'
 
 GenerateMaterialScreenshot('Level C', 'Brick', {model=g_cubeModel})
-GenerateMaterialScreenshot('Level D', 'Tile', {model=g_cubeModel})
+GenerateMaterialScreenshot('Level D', 'Tile', {model=g_cubeModel})