Fix division by singular matrices in test suite (#2299)

The matrix division unit test uses a singular matrix as a divisor.
This change instead does matrix divison that will result is matrix with 1.5, 1.5, 1.5, 1.0 on the diagonal.

Author: tdavidovicNV

resources/Materials/TestSuite/stdlib/math/math_operators.mtlx

@@ -701,7 +701,7 @@
   </nodegraph>
   <nodegraph name="divide_matrix33">
     <divide name="divide1" type="matrix33">
-      <input name="in1" type="matrix33" value="1.0, 0.0, 0.0,  0.0, 1.0, 0.0,  0.0, 0.0, 1.0" />
+      <input name="in1" type="matrix33" value="1.5, 1.5, 0.0,  0.0, 1.5, 1.5,  0.0, 0.0, 1.0" />
       <input name="in2" type="matrix33" value="1.0, 1.0, 1.0,  1.0, 1.0, 1.0,  1.0, 1.0, 1.0" />
     </divide>
     <transformmatrix name="transformmatrix1" type="vector3">
@@ -712,8 +712,8 @@
   </nodegraph>
   <nodegraph name="divide_matrix44">
     <divide name="divide1" type="matrix44">
-      <input name="in1" type="matrix44" value="1.0, 0.0, 0.0, 0.0,  0.0, 1.0, 0.0, 0.0,  0.0, 0.0, 1.0, 0.0,  0.0, 0.0, 0.0, 1.0" />
-      <input name="in2" type="matrix44" value="1.0, 1.0, 1.0, 1.0,  1.0, 1.0, 1.0, 1.0,  1.0, 1.0, 1.0, 1.0,  1.0, 1.0, 1.0, 1.0" />
+      <input name="in1" type="matrix44" value="1.5, 1.5, 0.0, 0.0,  0.0, 1.5, 1.5, 0.0,  0.0, 0.0, 1.5, 1.5,  0.0, 0.0, 0.0, 1.0" />
+      <input name="in2" type="matrix44" value="1.0, 1.0, 0.0, 0.0,  0.0, 1.0, 1.0, 0.0,  0.0, 0.0, 1.0, 1.0,  0.0, 0.0, 0.0, 1.0" />
     </divide>
     <transformmatrix name="transformmatrix1" type="vector4">
       <input name="in" type="vector4" value="0.5, 0.5, 0.5, 1.0" />