fix blend shape export test to find unit test path

instead of hardcoding it

Author: vkovec

Assets/FbxExporters/Editor/UnitTests/FbxAnimationTest.cs

@@ -93,8 +93,8 @@ public static IEnumerable SkinnedMeshTestCases {
 
         public static IEnumerable BlendShapeTestCases {
             get {
-                yield return "FbxExporters/Editor/UnitTests/Models/blendshape.fbx";
-                yield return "FbxExporters/Editor/UnitTests/Models/blendshape_with_skinning.fbx";
+                yield return "Models/blendshape.fbx";
+                yield return "Models/blendshape_with_skinning.fbx";
             }
         }
     }

Assets/FbxExporters/Editor/UnitTests/ModelExporterTest.cs

@@ -693,23 +693,11 @@ public int Compare(Vector3 a, Vector3 b)
         [Test, TestCaseSource(typeof(AnimationTestDataClass), "BlendShapeTestCases")]
         public void TestBlendShapeExport(string fbxPath)
         {
-            // add fbx to scene
-            GameObject originalFbxObj = AssetDatabase.LoadMainAssetAtPath("Assets/" + fbxPath) as GameObject;
-            Assert.IsNotNull(originalFbxObj);
-            GameObject originalGO = GameObject.Instantiate(originalFbxObj);
-            Assert.IsTrue(originalGO);
-
-            // export fbx
-            // get GameObject
-            string filename = GetRandomFbxFilePath();
-            ModelExporter.ExportObject(filename, originalGO);
-            GameObject fbxObj = AssetDatabase.LoadMainAssetAtPath(filename) as GameObject;
-            Assert.IsTrue(fbxObj);
+            fbxPath = FindPathInUnitTests (fbxPath);
+            Assert.That (fbxPath, Is.Not.Null);
 
-            var originalSMR = originalGO.GetComponentInChildren<SkinnedMeshRenderer>();
-            var exportedSMR = fbxObj.GetComponentInChildren<SkinnedMeshRenderer>();
-            Assert.IsNotNull(originalSMR);
-            Assert.IsNotNull(exportedSMR);
+            SkinnedMeshRenderer originalSMR, exportedSMR;
+            ExportSkinnedMesh (fbxPath, out originalSMR, out exportedSMR);
 
             var originalMesh = originalSMR.sharedMesh;
             var exportedMesh = exportedSMR.sharedMesh;