diff --git a/internal/oonirun/experiment_test.go b/internal/oonirun/experiment_test.go
index b93fd25ae..d438f47ce 100644
--- a/internal/oonirun/experiment_test.go
+++ b/internal/oonirun/experiment_test.go
@@ -67,6 +67,16 @@ func TestExperimentRunWithFailureToSubmitAndShuffle(t *testing.T) {
 						}
 						return exp
 					},
+					MockNewTargetLoader: func(config *model.ExperimentTargetLoaderConfig) model.ExperimentTargetLoader {
+						return &mocks.ExperimentTargetLoader{
+							MockLoad: func(ctx context.Context) ([]model.ExperimentTarget, error) {
+								// Implementation note: the convention for input-less experiments is that
+								// they require a single entry containing an empty input.
+								entry := model.NewOOAPIURLInfoWithDefaultCategoryAndCountry("")
+								return []model.ExperimentTarget{entry}, nil
+							},
+						}
+					},
 				}
 				return eb, nil
 			},
diff --git a/internal/oonirun/v1_test.go b/internal/oonirun/v1_test.go
index c23455a9f..910d910b0 100644
--- a/internal/oonirun/v1_test.go
+++ b/internal/oonirun/v1_test.go
@@ -44,6 +44,16 @@ func newMinimalFakeSession() *mocks.Session {
 					}
 					return exp
 				},
+				MockNewTargetLoader: func(config *model.ExperimentTargetLoaderConfig) model.ExperimentTargetLoader {
+					return &mocks.ExperimentTargetLoader{
+						MockLoad: func(ctx context.Context) ([]model.ExperimentTarget, error) {
+							// Implementation note: the convention for input-less experiments is that
+							// they require a single entry containing an empty input.
+							entry := model.NewOOAPIURLInfoWithDefaultCategoryAndCountry("")
+							return []model.ExperimentTarget{entry}, nil
+						},
+					}
+				},
 			}
 			return eb, nil
 		},
diff --git a/internal/oonirun/v2_test.go b/internal/oonirun/v2_test.go
index c4afa60e9..d849c6d08 100644
--- a/internal/oonirun/v2_test.go
+++ b/internal/oonirun/v2_test.go
@@ -392,6 +392,16 @@ func TestV2MeasureDescriptor(t *testing.T) {
 					}
 					return exp
 				},
+				MockNewTargetLoader: func(config *model.ExperimentTargetLoaderConfig) model.ExperimentTargetLoader {
+					return &mocks.ExperimentTargetLoader{
+						MockLoad: func(ctx context.Context) ([]model.ExperimentTarget, error) {
+							// Implementation note: the convention for input-less experiments is that
+							// they require a single entry containing an empty input.
+							entry := model.NewOOAPIURLInfoWithDefaultCategoryAndCountry("")
+							return []model.ExperimentTarget{entry}, nil
+						},
+					}
+				},
 			}
 			return eb, nil
 		}