message: fix ref dense temporary clone test without omp
diff: @@ -139,18 +139,17 @@ TYPED_TEST(Dense, TemporaryOutputCloneWorks)
  {
  using value_type = typename TestFixture::value_type;
  auto other = gko::OmpExecutor::create();
  - auto m =
  - gko::initialize<gko::matrix::Dense<TypeParam>>({1.0, 2.0}, this->exec);
  + auto m = gko::initialize<gko::matrix::Dense<TypeParam>>({1.0, 2.0}, other);
  {
  - auto clone = gko::make_temporary_output_clone(other, m.get());
  + auto clone = gko::make_temporary_output_clone(this->exec, m.get());
  clone->at(0) = 4.0;
  clone->at(1) = 5.0;
  ASSERT_EQ(m->at(0), value_type{1.0});
  ASSERT_EQ(m->at(1), value_type{2.0});
  ASSERT_EQ(clone->get_size(), m->get_size());
  - ASSERT_EQ(clone->get_executor(), other);
  + ASSERT_EQ(clone->get_executor(), this->exec);
  }
  ASSERT_EQ(m->at(0), value_type{4.0});
  ASSERT_EQ(m->at(1), value_type{5.0});
  