Tweak test scene and add reference image

Author: dictoon

sandbox/tests/test scenes/primitive mesh/07 - cube.appleseed

@@ -8,14 +8,14 @@
     </search_paths>
     <scene>
         <camera name="camera" model="pinhole_camera">
-            <parameter name="controller_target" value="-0.0177106 0.0112301 0.00217694" />
+            <parameter name="controller_target" value="-0.07783 -0.0598399 -0.0223227" />
             <parameter name="film_dimensions" value="0.024892 0.018669" />
             <parameter name="focal_length" value="0.035" />
             <transform time="0">
                 <matrix>
-                    1.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000
-                    0.000000000000000 1.000000000000000 0.000000000000000 0.000000000000000
-                    0.000000000000000 0.000000000000000 1.000000000000000 4.000000000000000
+                    0.650240684680072 0.293305462513380 -0.700827337970347 -4.976591231124902
+                    -0.000000000000000 0.922471047793865 0.386066271489868 2.638751289355755
+                    0.759728275100244 -0.251035996705455 0.599828205715026 4.170457719748699
                     0.000000000000000 0.000000000000000 0.000000000000000 1.000000000000000
                 </matrix>
             </transform>
@@ -32,14 +32,6 @@
                 <parameter name="filename" value="UVCheckerMap03-512.exr" />
             </texture>
             <texture_instance name="UVCheckerMap03-512_inst" texture="UVCheckerMap03-512">
-                <transform>
-                    <matrix>
-                        1.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000
-                        0.000000000000000 1.000000000000000 0.000000000000000 0.000000000000000
-                        0.000000000000000 0.000000000000000 1.000000000000000 0.000000000000000
-                        0.000000000000000 0.000000000000000 0.000000000000000 1.000000000000000
-                    </matrix>
-                </transform>
             </texture_instance>
             <bsdf name="bsdf1" model="lambertian_brdf">
                 <parameter name="reflectance" value="UVCheckerMap03-512_inst" />