feat(oonirun): improve tests (#915)

See https://github.com/ooni/probe/issues/2184

While there, rename `runtimex.PanicIfFalse` to `runtimex.Assert` (it was about time...)

internal/model/mocks/experiment.go

@@ -0,0 +1,75 @@
+package mocks
+
+import (
+	"context"
+
+	"github.com/ooni/probe-cli/v3/internal/model"
+)
+
+// Experiment mocks model.Experiment
+type Experiment struct {
+	MockKibiBytesReceived func() float64
+
+	MockKibiBytesSent func() float64
+
+	MockName func() string
+
+	MockGetSummaryKeys func(m *model.Measurement) (any, error)
+
+	MockReportID func() string
+
+	MockMeasureAsync func(ctx context.Context, input string) (<-chan *model.Measurement, error)
+
+	MockMeasureWithContext func(
+		ctx context.Context, input string) (measurement *model.Measurement, err error)
+
+	MockSaveMeasurement func(measurement *model.Measurement, filePath string) error
+
+	MockSubmitAndUpdateMeasurementContext func(
+		ctx context.Context, measurement *model.Measurement) error
+
+	MockOpenReportContext func(ctx context.Context) error
+}
+
+func (e *Experiment) KibiBytesReceived() float64 {
+	return e.MockKibiBytesReceived()
+}
+
+func (e *Experiment) KibiBytesSent() float64 {
+	return e.MockKibiBytesSent()
+}
+
+func (e *Experiment) Name() string {
+	return e.MockName()
+}
+
+func (e *Experiment) GetSummaryKeys(m *model.Measurement) (any, error) {
+	return e.MockGetSummaryKeys(m)
+}
+
+func (e *Experiment) ReportID() string {
+	return e.MockReportID()
+}
+
+func (e *Experiment) MeasureAsync(
+	ctx context.Context, input string) (<-chan *model.Measurement, error) {
+	return e.MockMeasureAsync(ctx, input)
+}
+
+func (e *Experiment) MeasureWithContext(
+	ctx context.Context, input string) (measurement *model.Measurement, err error) {
+	return e.MockMeasureWithContext(ctx, input)
+}
+
+func (e *Experiment) SaveMeasurement(measurement *model.Measurement, filePath string) error {
+	return e.MockSaveMeasurement(measurement, filePath)
+}
+
+func (e *Experiment) SubmitAndUpdateMeasurementContext(
+	ctx context.Context, measurement *model.Measurement) error {
+	return e.MockSubmitAndUpdateMeasurementContext(ctx, measurement)
+}
+
+func (e *Experiment) OpenReportContext(ctx context.Context) error {
+	return e.MockOpenReportContext(ctx)
+}