tweaks to engine interface and testing skeleton (to be flushed out next week)

shared/workspaces/test/test_capability_engine.py

+from workspaces.capability.services.capability_info import CapabilityInfo
+from workspaces.capability.services.capability_engine import CapabilityEngine
+
+pytest_plugins = ["testing.utils.conftest"]
+
+"""
+Tests for CapabilityEngine
+"""
+
+def test_load_engine():
+    pass
+
+
+def test_execute():
+    pass
+
+
+def test_submit_workflow_request():
+    pass

shared/workspaces/workspaces/capability/services/capability_engine.py

@@ -35,8 +35,6 @@ class CapabilityEngine(CapabilityEngineIF):
     def execute(self):
         """
         Communicate with workflow service and send a request to run a workflow with given settings
-
-        :param execution:
         """
         step_sequence = CapabilitySequence.from_str(self.execution.steps)
         # Grab value of current step (workflow name)

shared/workspaces/workspaces/capability/services/interfaces.py

@@ -101,9 +101,12 @@ class CapabilityEngineIF(ABC):
     """
     Executes a prepare and run workflow step of a capability
     """
+    @abstractmethod
+    def load_engine(self, execution: CapabilityExecutionIF):
+        pass
 
     @abstractmethod
-    def execute(self, execution: CapabilityExecutionIF):
+    def execute(self):
         pass
 
     @abstractmethod