metatypes_to_ignore quantization propagation solver test

tests/common/quantization/test_quantizer_propagation_solver.py

@@ -1839,3 +1839,28 @@ def test_quantizers_are_not_set_up_for_integer_inputs(self, ip_graph_with_int_ed
         assert double_input_pq.current_location_node_key == InsertionPointGraph.get_pre_hook_node_key(
             "5 /E_0", input_port_id=1
         )
+
+
+def test_metatypes_to_ignore(mocker):
+    # pylint: disable=protected-access
+    NOT_IGNORED_METATYHPE = "not_ignored_metatype"
+    IGNORED_METATYPE = "target_metatype"
+
+    nncf_graph = NNCFGraph()
+    nodes = []
+    for node_name, node_metatype in zip("ABC", [NOT_IGNORED_METATYHPE, IGNORED_METATYPE, NOT_IGNORED_METATYHPE]):
+        nodes.append(nncf_graph.add_nncf_node(node_name, node_name, node_metatype=node_metatype))
+    for idx in range(1, len(nodes)):
+        nncf_graph.add_edge_between_nncf_nodes(
+            nodes[idx - 1].node_id, nodes[idx].node_id, [1, 1, 1, 1], 0, 0, Dtype.FLOAT
+        )
+    ip_graph = InsertionPointGraph(nncf_graph=nncf_graph, weight_modifiable_node_names=["A", "B", "C"])
+
+    solver = QuantizerPropagationSolver(
+        metatypes_to_ignore=[IGNORED_METATYPE],
+    )
+    solver._add_node_to_ignored = mocker.MagicMock()
+    solver.run_on_ip_graph(ip_graph)
+
+    solver._add_node_to_ignored.assert_called_once()
+    assert "1 B" in solver._add_node_to_ignored.call_args[0]