diff --git a/tests/functional/application-packages/EchoResultsTester/deploy.yml b/tests/functional/application-packages/EchoResultsTester/deploy.yml
index 6aad038e8..2fd8a87fe 100644
--- a/tests/functional/application-packages/EchoResultsTester/deploy.yml
+++ b/tests/functional/application-packages/EchoResultsTester/deploy.yml
@@ -1,6 +1,7 @@
 # YAML representation supported by WeaverClient
 processDescription:
   process:
+    id: EchoResultsTester
     version: "1.0"  # must be string, avoid interpretation as float
 executionUnit:
   # note: This does not work by itself! The test suite injects the file dynamically.
diff --git a/tests/functional/test_workflow.py b/tests/functional/test_workflow.py
index 35e9a2d62..48db775aa 100644
--- a/tests/functional/test_workflow.py
+++ b/tests/functional/test_workflow.py
@@ -1091,6 +1091,7 @@ class WorkflowTestCase(WorkflowTestRunnerBase):
         WorkflowProcesses.APP_DOCKER_STAGE_IMAGES,
         WorkflowProcesses.APP_ECHO,
         WorkflowProcesses.APP_ECHO_OPTIONAL,
+        WorkflowProcesses.APP_ECHO_RESULTS_TESTER,
         WorkflowProcesses.APP_ECHO_SECRETS,
         WorkflowProcesses.APP_PASSTHROUGH_EXPRESSIONS,
         WorkflowProcesses.APP_READ_FILE,
@@ -1628,21 +1629,24 @@ def test_workflow_optional_input_propagation(self):
             data = out_file.read().strip()
         assert data == "test-message", "output from workflow should match the default resolved from input omission"
 
+    @pytest.mark.oap_part3
     def test_workflow_ad_hoc_nested_process(self):
         passthrough_process_info = self.prepare_process(WorkflowProcesses.APP_PASSTHROUGH_EXPRESSIONS)
         echo_result_process_info = self.prepare_process(WorkflowProcesses.APP_ECHO_RESULTS_TESTER)
 
         workflow_exec = {
-            "process": passthrough_process_info.path,
+            "process": f"{self.WEAVER_RESTAPI_URL}{passthrough_process_info.path}",
             "inputs": {
                 "message": {
-                    "process": passthrough_process_info.path,
+                    "process": f"{self.WEAVER_RESTAPI_URL}{passthrough_process_info.path}",
                     "inputs": {
-                        "process": echo_result_process_info.path,
-                        "inputs": {
-                            "message": "test"
-                        },
-                        "outputs": {"output_data": {}}
+                        "message": {
+                            "process": f"{self.WEAVER_RESTAPI_URL}{echo_result_process_info.path}",
+                            "inputs": {
+                                "message": "test"
+                            },
+                            "outputs": {"output_data": {}}
+                        }
                     },
                     "outputs": {"message": {}}
                 },
diff --git a/weaver/processes/execution.py b/weaver/processes/execution.py
index 0b8cb2fe3..01a4e50a6 100644
--- a/weaver/processes/execution.py
+++ b/weaver/processes/execution.py
@@ -46,9 +46,9 @@
     get_field,
     ows2json_output_data
 )
+from weaver.processes.ogc_api_process import OGCAPIRemoteProcess
 from weaver.processes.types import ProcessType
 from weaver.processes.utils import get_process
-from weaver.processes.wps_process_base import OGCAPIRemoteProcessBase
 from weaver.status import JOB_STATUS_CATEGORIES, Status, StatusCategory, map_status
 from weaver.store.base import StoreJobs, StoreProcesses
 from weaver.utils import (
@@ -184,7 +184,7 @@ def execute_process(task, job_id, wps_url, headers=None):
         # prepare inputs
         job.progress = JobProgress.GET_INPUTS
         job.save_log(logger=task_logger, message="Fetching job input definitions.")
-        wps_inputs = parse_wps_inputs(wps_process, job, database=db)
+        wps_inputs = parse_wps_inputs(wps_process, job, container=db)
 
         # prepare outputs
         job.progress = JobProgress.GET_OUTPUTS
@@ -535,7 +535,7 @@ def log_and_save_update_status_handler(
     db = get_db(container)
     store = db.get_store(StoreJobs)
 
-    def log_and_update_status(message, progress, status, *_, **kwargs):
+    def log_and_update_status(message, progress=None, status=None, *_, **kwargs):
         job.save_log(message=message, progress=progress, status=status, **kwargs)
         store.update_job(job)
     return log_and_update_status
@@ -619,7 +619,7 @@ def parse_wps_inputs(wps_process, job, container=None):
                         ),
                         logger=LOGGER,
                     )
-                    process = OGCAPIRemoteProcessBase(
+                    process = OGCAPIRemoteProcess(
                         input_value,
                         proc_uri,
                         request=None,
@@ -675,7 +675,8 @@ def parse_wps_inputs(wps_process, job, container=None):
                 if input_data is None:
                     job_log_update_status_func(
                         message=f"Removing [{input_id}] data input from execution request, value was 'null'.",
-                        logger=LOGGER, level=logging.WARNING,
+                        logger=LOGGER,
+                        level=logging.WARNING,
                     )
                 else:
                     wps_inputs.append((input_id, input_data))