Fix SiliconStep tests with valid Process enum values

Update test configurations to include required fields and use valid process values

Author: robtaylor

tests/test_steps_silicon.py

@@ -36,12 +36,15 @@ def setUp(self):
         self.config = {
             "chipflow": {
                 "project_name": "test_project",
+                "steps": {
+                    "silicon": "chipflow_lib.steps.silicon:SiliconStep"
+                },
                 "top": {
                     "mock_component": "module.MockComponent"
                 },
                 "silicon": {
                     "package": "cf20",
-                    "process": "test_process",
+                    "process": "ihp_sg13g2",
                     "debug": {
                         "heartbeat": True
                     },
@@ -219,9 +222,12 @@ def test_run_cli_submit_missing_project_name(self, mock_load_dotenv, mock_prepar
         # Setup config without project_name
         config_no_project = {
             "chipflow": {
+                "steps": {
+                    "silicon": "chipflow_lib.steps.silicon:SiliconStep"
+                },
                 "silicon": {
                     "package": "cf20",
-                    "process": "test_process"
+                    "process": "ihp_sg13g2"
                 }
             }
         }
@@ -440,12 +446,15 @@ def setUp(self):
         self.config = {
             "chipflow": {
                 "project_name": "test_project",
+                "steps": {
+                    "silicon": "chipflow_lib.steps.silicon:SiliconStep"
+                },
                 "top": {
                     "mock_component": "module.MockComponent"
                 },
                 "silicon": {
                     "package": "cf20",
-                    "process": "test_process",
+                    "process": "ihp_sg13g2",
                     "debug": {
                         "heartbeat": True
                     }
@@ -512,12 +521,15 @@ def test_elaborate_no_heartbeat(self, mock_top_interfaces, mock_platform_class):
         config_no_heartbeat = {
             "chipflow": {
                 "project_name": "test_project",
+                "steps": {
+                    "silicon": "chipflow_lib.steps.silicon:SiliconStep"
+                },
                 "top": {
                     "mock_component": "module.MockComponent"
                 },
                 "silicon": {
                     "package": "cf20",
-                    "process": "test_process",
+                    "process": "ihp_sg13g2",
                     "debug": {
                         "heartbeat": False
                     }