[debugger] Add method metric probe expression test (#6965)

Author: tylfin

manifests/golang.yml

@@ -849,6 +849,7 @@ manifest:
   tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Line_Probe_Snaphots_With_SCM: v2.2.3
   tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Line_Probe_Snaphots_With_SCM::test_span_decoration_line_snapshot: missing_feature (no span-decoration endpoint)
   tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Method_Probe_Snaphots: v2.2.3
+  tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Method_Probe_Snaphots::test_metric_method_expression: missing_feature (Not yet implemented)
   tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Method_Probe_Snaphots::test_mix_snapshot: missing_feature (Not yet implemented)
   tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Method_Probe_Snaphots::test_span_decoration_method_snapshot: missing_feature (Not yet implemented)
   tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Method_Probe_Snaphots::test_span_method_snapshot: missing_feature (Not yet implemented)

manifests/ruby.yml

@@ -1713,6 +1713,7 @@ manifest:
         rails80: v2.8.0
         uds-rails: v2.12.0
     - declaration: missing_feature (Not yet implemented)
+  tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Method_Probe_Snaphots::test_metric_method_expression: missing_feature (Not yet implemented)
   tests/debugger/test_debugger_probe_snapshot.py::Test_Debugger_Method_Probe_Snaphots_With_SCM:
     - weblog_declaration:
         "*": irrelevant

tests/debugger/test_debugger_probe_snapshot.py

@@ -151,6 +151,13 @@ def test_span_decoration_method_snapshot(self):
         self._assert()
         self._validate_spans()
 
+    ### metric probe ###
+    def setup_metric_method_expression(self):
+        self._setup("probe_expression_metric_method", "/debugger/metric/1", "metric", lines=None)
+
+    def test_metric_method_expression(self):
+        self._assert()
+
     ### mix log probe ###
     def setup_mix_snapshot(self):
         self._setup("probe_snapshot_log_mixed", "/debugger/mix/asd/1", "log", lines=None)

tests/debugger/utils/probes/probe_expression_metric_method.json

@@ -0,0 +1,21 @@
+[
+  {
+    "language": "",
+    "type": "",
+    "id": "",
+    "version": 0,
+    "kind": "COUNT",
+    "metricName": "system_tests.debugger.metric_method",
+    "value": {
+      "dsl": "id",
+      "json": {
+        "ref": "id"
+      }
+    },
+    "where": {
+      "typeName": "ACTUAL_TYPE_NAME",
+      "methodName": "MetricProbe",
+      "sourceFile": null
+    }
+  }
+]