UnitTests: Skip PageFaultTest if exception handlers are not supported

Page faults should only occur on architectures that support exception
handlers, so skip the test on other architectures to avoid spurious test
failures.

Source/UnitTests/Core/PageFaultTest.cpp

@@ -61,6 +61,11 @@ static void ASAN_DISABLE perform_invalid_access(void* data)
 
 TEST(PageFault, PageFault)
 {
+  if (!EMM::IsExceptionHandlerSupported())
+  {
+    // TODO: Use GTEST_SKIP() instead when GTest is updated to 1.10+
+    return;
+  }
   EMM::InstallExceptionHandler();
   void* data = Common::AllocateMemoryPages(PAGE_GRAN);
   EXPECT_NE(data, nullptr);