message: Restore back-compat testing to pre-released versions
diff: "mocha-junit-reporter": "^1.18.0",
  "nock": "^10.0.1",
  "nyc": "^15.0.0",
  - "old-aqueduct": "npm:@fluidframework/aqueduct@^0.26.0",
  - "old-container-definitions": "npm:@fluidframework/container-definitions@^0.26.0",
  - "old-container-loader": "npm:@fluidframework/container-loader@^0.26.0",
  - "old-container-runtime": "npm:@fluidframework/container-runtime@^0.26.0",
  - "old-datastore-definitions": "npm:@fluidframework/datastore-definitions@^0.26.0",
  - "old-map": "npm:@fluidframework/map@^0.26.0",
  - "old-request-handler": "npm:@fluidframework/request-handler@^0.26.0",
  - "old-runtime-definitions": "npm:@fluidframework/runtime-definitions@^0.26.0",
  - "old-sequence": "npm:@fluidframework/sequence@^0.26.0",
  - "old-test-utils": "npm:@fluidframework/test-utils@^0.26.0",
  + "old-aqueduct": "npm:@fluidframework/aqueduct@0.26.0-3177",
  + "old-container-definitions": "npm:@fluidframework/container-definitions@0.26.0-3177",
  + "old-container-loader": "npm:@fluidframework/container-loader@0.26.0-3177",
  + "old-container-runtime": "npm:@fluidframework/container-runtime@0.26.0-3177",
  + "old-datastore-definitions": "npm:@fluidframework/datastore-definitions@0.26.0-3177",
  + "old-map": "npm:@fluidframework/map@0.26.0-3177",
  + "old-request-handler": "npm:@fluidframework/request-handler@0.26.0-3177",
  + "old-runtime-definitions": "npm:@fluidframework/runtime-definitions@0.26.0-3177",
  + "old-sequence": "npm:@fluidframework/sequence@0.26.0-3177",
  + "old-test-utils": "npm:@fluidframework/test-utils@0.26.0-3177",
  "rimraf": "^2.6.2",
  "ts-loader": "^6.1.2",
  "typescript": "~3.7.4",
  