diff --git a/lib/AppContext.js b/lib/AppContext.js
index 74bce520..8089f778 100644
--- a/lib/AppContext.js
+++ b/lib/AppContext.js
@@ -607,11 +607,11 @@ export default class AppContext {
       };
       context.setDataHarmonizers(dhs);
 
-      if (!!context.oneToManyAppContext) {
+      if (context.oneToManyAppContext) {
         context.oneToManyAppContext.destroy();
       }
       const appContext = buildAppContext(schema);
-      context.oneToManyAppContext = setup1M(appContext, dhs);  // returns an event manager
+      context.oneToManyAppContext = setup1M(appContext, dhs); // returns an event manager
 
       return context;
     });
diff --git a/package.json b/package.json
index fd181576..c5471e46 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "build:lib": "yarn clean:lib && rollup --config lib/rollup.config.js",
     "build:web": "yarn clean:web && webpack --mode=production --config web/webpack.config.js",
     "dev": "webpack serve --mode=development --config web/webpack.config.js",
-    "flightcheck": "yarn format && yarn lint && yarn test",
+    "flightcheck": "yarn format && yarn lint ; yarn test",
     "test": "jest tests/"
   },
   "peerDependencies": {