Fix unit tests for namespace support in synthetics monitor

Co-authored-by: tobio <[email protected]>

Author: Copilot

internal/kibana/synthetics/schema_test.go

@@ -195,6 +195,7 @@ func TestToModelV0(t *testing.T) {
 				ID:               types.StringValue("default/test-id-http"),
 				Name:             types.StringValue("test-name-http"),
 				SpaceID:          types.StringValue("default"),
+				Namespace:        types.StringValue("default"),
 				Schedule:         types.Int64Value(5),
 				Locations:        []types.String{types.StringValue("us_east")},
 				PrivateLocations: []types.String{types.StringValue("test private location")},
@@ -265,6 +266,7 @@ func TestToModelV0(t *testing.T) {
 				ID:               types.StringValue("default/test-id-tcp"),
 				Name:             types.StringValue("test-name-tcp"),
 				SpaceID:          types.StringValue("default"),
+				Namespace:        types.StringValue("default"),
 				Schedule:         types.Int64Value(5),
 				Locations:        nil,
 				PrivateLocations: []types.String{types.StringValue("test private location")},
@@ -732,6 +734,7 @@ func TestToModelV0MergeAttributes(t *testing.T) {
 				ID:              types.StringValue("/"),
 				Name:            types.StringValue(""),
 				SpaceID:         types.StringValue(""),
+				Namespace:       types.StringValue(""),
 				Schedule:        types.Int64Value(0),
 				APMServiceName:  types.StringValue(""),
 				TimeoutSeconds:  types.Int64Value(0),