Fix for _MainTex test error

com.unity.perception/Runtime/GroundTruth/Labelers/SemanticSegmentationLabeler.cs

         int camHeight = 0;
 
         private GameObject segVisual = null;
-        private Image segImage = null;
+        private RawImage segImage = null;
 
         /// <inheritdoc/>
         protected override bool supportsVisualization => true;
 
             segVisual = GameObject.Instantiate(Resources.Load<GameObject>("SegmentTexture"));
 
-            segImage = segVisual.GetComponent<Image>();
+            segImage = segVisual.GetComponent<RawImage>();
             segImage.material.SetFloat("_SegmentTransparency", defaultSegmentTransparency);
             segImage.material.SetFloat("_BackTransparency", defaultBackgroundTransparency);
 
             var cpuTexture = new Texture2D(texture.width, texture.height, GraphicsFormat.R8G8B8A8_UNorm, TextureCreationFlags.None);
             cpuTexture.LoadRawTextureData(data);
             cpuTexture.Apply();
-
-            segImage.material.SetTexture("_BaseMap", cpuTexture);
+            segImage.texture = cpuTexture;
         }
 
         /// <inheritdoc/>

com.unity.perception/Runtime/GroundTruth/Labelers/Visualization/Materials/SegmentationMaterial.mat

         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
+    - _BaseTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
     - _BumpMap:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}

com.unity.perception/Runtime/GroundTruth/Labelers/Visualization/Resources/SegRemoveBackgroundShader.shader

 {
     Properties
     {
-        _BaseMap ("Base (RGB) Trans (A)", 2D) = "white" { }
+        _MainTex ("Main Texture", 2D) = "defaulttexture" { }
         _RemoveColor ("Remove Color", Color) = (0, 0, 0, 1)
         _SegmentTransparency("Segment Transparency", Range(0.0,1.0)) = 0.5
         _BackTransparency("Background Transparency", Range(0.0,1.0)) = 0
             CGPROGRAM
             #pragma vertex vert
             #pragma fragment frag Lambert alpha
- 
+
             #include "UnityCG.cginc"
 
             struct appdata
                 float4 vertex : SV_POSITION;
             };
 
-            sampler2D _BaseMap;
+            sampler2D _MainTex;
             fixed4 _RemoveColor;
             float _SegmentTransparency;
             float _BackTransparency;
                 v2f o;
                 o.vertex = UnityObjectToClipPos(v.vertex);
-                //o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                 o.uv = v.uv;
                 return o;
             }
                 // sample the texture
-                fixed4 col = tex2D(_BaseMap, i.uv);
-                
+                fixed4 col = tex2D(_MainTex, i.uv);
+
                 if (abs(col.r - _RemoveColor.r) < .01f)
                 {
                     if (abs(col.g - _RemoveColor.g) < .01f)
                         }
                     }
                 }
-                
+
                 if (abs(col.a - _BackTransparency) > .01f) col.a = _SegmentTransparency;
 
                 return col;

com.unity.perception/Runtime/GroundTruth/Labelers/Visualization/Resources/SegmentTexture.prefab

   m_Component:
   - component: {fileID: 968786849326295845}
   - component: {fileID: 84779842494960409}
-  - component: {fileID: 5755782579398516696}
+  - component: {fileID: 5662008187905630377}
   m_Layer: 5
   m_Name: SegmentTexture
   m_TagString: Untagged
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 6732225215165335482}
   m_CullTransparentMesh: 0
---- !u!114 &5755782579398516696
+--- !u!114 &5662008187905630377
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: fe87c0e1cc204ed48ad3b37840f39efc, type: 3}
+  m_Script: {fileID: 11500000, guid: 1344c3c82d62a2a41a3576d8abb8e3ea, type: 3}
-  m_Color: {r: 0.40000004, g: 0.46274513, b: 0.73333335, a: 1}
+  m_Color: {r: 0.4, g: 0.4627451, b: 0.73333335, a: 1}
-  m_Sprite: {fileID: 0}
-  m_Type: 0
-  m_PreserveAspect: 0
-  m_FillCenter: 1
-  m_FillMethod: 4
-  m_FillAmount: 1
-  m_FillClockwise: 1
-  m_FillOrigin: 0
-  m_UseSpriteMesh: 0
-  m_PixelsPerUnitMultiplier: 1
+  m_Texture: {fileID: 0}
+  m_UVRect:
+    serializedVersion: 2
+    x: 0
+    y: 0
+    width: 1
+    height: 1