message: Fix existence freeze snapshot test
diff: @@ -253,7 +253,7 @@ export default class SnapshotManager {
  if (this.options.freezeSnapshots) {
  if (!used) {
  await this.emitDiagnostic(descriptions.SNAPSHOTS.REDUNDANT);
  - } else if (exists) {
  + } else if (!exists) {
  await this.emitDiagnostic(descriptions.SNAPSHOTS.MISSING);
  } else if (formatted !== raw) {
  await this.emitDiagnostic(descriptions.SNAPSHOTS.INCORRECT(
  