Fix exp_graph fixtures teardown

Author: kswiecicki

unified-runtime/test/conformance/exp_graph/fixtures.h

@@ -68,10 +68,9 @@ struct urGraphPopulatedExpTest : urGraphExpTest {
   void TearDown() override {
     if (deviceMem) {
       ASSERT_SUCCESS(urUSMFree(context, deviceMem));
+      resetData();
     }
 
-    resetData();
-
     UUR_RETURN_ON_FATAL_FAILURE(urGraphExpTest::TearDown());
   }
 

unified-runtime/test/conformance/exp_graph/urQueueIsGraphCaptureEnabledExp.cpp

@@ -11,6 +11,7 @@ struct urQueueIsGraphCaptureEnabledExpTest : uur::urGraphSupportedExpTest {
     UUR_RETURN_ON_FATAL_FAILURE(urGraphSupportedExpTest::SetUp());
 
     ASSERT_SUCCESS(urQueueBeginGraphCaptureExp(queue));
+    isCapturing = true;
   }
 
   void TearDown() override {
@@ -23,11 +24,13 @@ struct urQueueIsGraphCaptureEnabledExpTest : uur::urGraphSupportedExpTest {
   }
 
   void endGraphCapture() {
-    if (!graph) {
+    if (isCapturing) {
       ASSERT_SUCCESS(urQueueEndGraphCaptureExp(queue, &graph));
+      isCapturing = false;
     }
   }
 
+  bool isCapturing = false;
   ur_exp_graph_handle_t graph = nullptr;
 };