feat(engine): integrate memory JD to test runtime (#522)

Creating the test runtime engine will now use the in memory JD by
default

Author: graham-chainlink

.changeset/hot-sites-grow.md

@@ -0,0 +1,5 @@
+---
+"chainlink-deployments-framework": minor
+---
+
+feat(engine): integrate memory JD to test runtime

engine/test/environment/environment.go

@@ -12,6 +12,7 @@ import (
 	fdatastore "github.com/smartcontractkit/chainlink-deployments-framework/datastore"
 	fcatalog "github.com/smartcontractkit/chainlink-deployments-framework/datastore/catalog/memory"
 	fdeployment "github.com/smartcontractkit/chainlink-deployments-framework/deployment"
+	foffchain "github.com/smartcontractkit/chainlink-deployments-framework/offchain/jd/memory"
 	focr "github.com/smartcontractkit/chainlink-deployments-framework/offchain/ocr"
 	foperations "github.com/smartcontractkit/chainlink-deployments-framework/operations"
 )
@@ -63,9 +64,10 @@ func (l *Loader) Load(ctx context.Context, opts ...LoadOpt) (*fdeployment.Enviro
 		nodeIDs = []string{}
 	}
 
-	// We do not set any default offchain client as it is not required for all tests.
-	// We may want to set a default memory based offchain client in the future.
 	oc := cmps.OffchainClient
+	if oc == nil {
+		oc = foffchain.NewMemoryJobDistributor()
+	}
 
 	catalog, err := fcatalog.NewMemoryCatalogDataStore()
 	if err != nil {

engine/test/environment/environment_test.go

@@ -95,7 +95,8 @@ func TestLoader_Load_Options(t *testing.T) {
 			} else {
 				require.NoError(t, err)
 				require.NotNil(t, env)
-				require.NotNil(t, env.Catalog) // Catalog should always be initialized
+				require.NotNil(t, env.Catalog)  // Catalog should always be initialized
+				require.NotNil(t, env.Offchain) // Offchain should always be initialized
 			}
 		})
 	}