diff --git a/index.e2e.spec.ts b/index.e2e.spec.ts
index c346ce8f..f44b4ac9 100644
--- a/index.e2e.spec.ts
+++ b/index.e2e.spec.ts
@@ -78,7 +78,7 @@ describe("E2E drag & drop demo", () => {
     await mouse.drag(down(500));
     await mouse.move(right(100));
     await mouse.leftClick();
-    const dest = await screen.find("moved_trash.png");
+    const dest = await screen.waitFor("moved_trash.png");
     expect(Math.abs(dest.left - expected.left)).toBeLessThanOrEqual(maxDiff);
     expect(Math.abs(dest.top - expected.top)).toBeLessThanOrEqual(maxDiff);
     expect(Math.abs(dest.width - expected.width)).toBeLessThanOrEqual(maxDiff);
diff --git a/package.json b/package.json
index 1fd0b9a2..222cdf34 100644
--- a/package.json
+++ b/package.json
@@ -46,8 +46,8 @@
   "scripts": {
     "clean": "rm -rf dist",
     "compile": "npm run clean && tsc -p .",
-    "test": "jest",
-    "coverage": "jest --coverage",
+    "test": "jest --runInBand",
+    "coverage": "jest --coverage --runInBand",
     "lint": "tslint -p tsconfig.json",
     "watch": "tsc -w -p .",
     "publish-next": "npm publish --tag next",