add tests

Signed-off-by: fishbell <[email protected]>

src/plugins/intel_gpu/tests/unit/fusions/gemm_fusion_test.cpp

@@ -398,6 +398,36 @@ TEST_P(gemm_2in_add, eltwise_postop_cached) {
     execute(p, false, true);
 }
 
+TEST_P(gemm_2in_add, eltwise_postop_scalar) {
+    auto p = GetParam();
+
+    if (engine.get_device_info().supports_immad) {
+        ov::intel_gpu::ImplementationDesc gemmv_impl = { cldnn::format::type::any, "", impl_types::onednn };
+        cfg_fused.set_property(ov::intel_gpu::force_implementations(ov::intel_gpu::ImplForcingMap{ { "gemm_prim", gemmv_impl } }));
+    }
+
+    auto add_data_layout = get_output_layout(p);
+    auto add_data_size = add_data_layout.get_partial_shape();
+    for (size_t i = 0; i < add_data_size.size(); i++)
+        add_data_size[i] = 1;
+    add_data_layout.set_partial_shape(add_data_size);
+
+    auto in_layout0 = get_input_layout(p, 0);
+    auto in_layout1 = get_input_layout(p, 1);
+
+    create_topologies(
+        input_layout("input0", in_layout0),
+        input_layout("input1", in_layout1),
+        data("add_data", get_mem(add_data_layout, 0.5f)),
+        gemm("gemm_prim", { input_info("input0"), input_info("input1") }, data_types::f32, false, false, 1.f, 0.f, in_layout0.get_rank(), in_layout1.get_rank()),
+        eltwise("add_prim", { input_info("gemm_prim"), input_info("add_data") }, p.eltwise_m, p.default_type),
+        reorder("reorder_bfyx", input_info("add_prim"), p.default_format, data_types::f32)
+    );
+
+    tolerance = default_tolerance(p.default_type);
+    execute(p, false, true);
+}
+
 INSTANTIATE_TEST_SUITE_P(fusings_gpu, gemm_2in_add, ::testing::ValuesIn(std::vector<gemm_test_params>{
     // gemm_test_params{ CASE_GEMM_2IN_FP16_3, 3, 4, "", broadcast_kinds::none, eltwise_mode::sum },    // TODO: check why failed in eltwise_postop_dynamic
     gemm_test_params{ CASE_GEMM_2IN_FP16_4, 3, 4, "", broadcast_kinds::none, eltwise_mode::sum },