Fixed a memory leak in tests

Author: ashblue

Assets/AdncAnimatorHelpers/Editor/Testing/AnimatorStub/TestAnimatorStub.cs

@@ -20,10 +20,10 @@ public void Teardown () {
         }
 
         [Test]
-        public void FailsCreationIfNoGameObject () {
+        public void DoesNotFailCreationIfNoGameObject () {
             var stub = new AnimatorStub(null);
 
-            Assert.IsFalse(stub.IsValid);
+            Assert.IsTrue(stub.IsValid);
         }
 
         [Test]

Assets/AdncAnimatorHelpers/Editor/Testing/HasParameter/TestHasParametersExtensions.cs

@@ -41,6 +41,7 @@ public void Teardown () {
             Object.DestroyImmediate(_stub.Animator.gameObject);
             _stub = null;
 
+            Object.DestroyImmediate(_runtime.gameObject);
             AnimatorHelperRuntime.ClearSingleton();
             _runtime = null;
         }
@@ -79,6 +80,8 @@ public void HasParameterGetsTheSameParameterCacheAcrossAnimatorControllers () {
             Assert.IsTrue(AnimatorHelperRuntime.Instance.parameters.HasParameters(id));
 
             Assert.IsTrue(clone.HasParameter("bool"));
+
+            Object.DestroyImmediate(clone.gameObject);
         }
 
         [Test]

Assets/AdncAnimatorHelpers/Editor/Testing/HasParameter/TestHasParametersExtensionsStressTests.cs

@@ -21,6 +21,7 @@ public void Teardown () {
             Object.DestroyImmediate(_stub.Animator.gameObject);
             _stub = null;
 
+            Object.DestroyImmediate(_runtime.gameObject);
             AnimatorHelperRuntime.ClearSingleton();
             _runtime = null;
         }
@@ -39,7 +40,7 @@ public void CallWithSingleParameter () {
 
         [Test]
         public void CallWithHundredParameters () {
-            for (int i = 0; i < 100; i++) {
+            for (var i = 0; i < 100; i++) {
                 _stub.AnimatorCtrl.AddParameter(new AnimatorControllerParameter {
                     name = "bool" + i,
                     type = AnimatorControllerParameterType.Bool
@@ -53,7 +54,7 @@ public void CallWithHundredParameters () {
 
         [Test]
         public void CallWithThosandParameters () {
-            for (int i = 0; i < 1000; i++) {
+            for (var i = 0; i < 1000; i++) {
                 _stub.AnimatorCtrl.AddParameter(new AnimatorControllerParameter {
                     name = "bool" + i,
                     type = AnimatorControllerParameterType.Bool