diff --git a/js/npm/etherscan/package.json b/js/npm/etherscan/package.json
index 956bcb3695f..234cdf6968d 100644
--- a/js/npm/etherscan/package.json
+++ b/js/npm/etherscan/package.json
@@ -22,9 +22,6 @@
     "Parity",
     "Promise"
   ],
-  "scripts": {
-    "test": "node test/smoke.spec.js"
-  },
   "peerDependencies": {
     "es6-promise": "^4.0.5",
     "isomorphic-fetch": "^2.2.1",
diff --git a/js/npm/jsonrpc/package.json b/js/npm/jsonrpc/package.json
index 4ef1c98391d..109620ef8af 100644
--- a/js/npm/jsonrpc/package.json
+++ b/js/npm/jsonrpc/package.json
@@ -21,9 +21,6 @@
     "RPC",
     "Parity"
   ],
-  "scripts": {
-    "test": "node test/smoke.spec.js"
-  },
   "peerDependencies": {
     "babel-polyfill": "^6.22.0"
   },
diff --git a/js/npm/parity/package.json b/js/npm/parity/package.json
index 99da28b3f9e..59792e674de 100644
--- a/js/npm/parity/package.json
+++ b/js/npm/parity/package.json
@@ -22,9 +22,6 @@
     "Parity",
     "Promise"
   ],
-  "scripts": {
-    "test": "node test/smoke.spec.js"
-  },
   "peerDependencies": {
     "es6-promise": "^4.0.5",
     "isomorphic-fetch": "^2.2.1",
diff --git a/js/npm/shapeshift/package.json b/js/npm/shapeshift/package.json
index e8006949fed..c4ffb037ac0 100644
--- a/js/npm/shapeshift/package.json
+++ b/js/npm/shapeshift/package.json
@@ -22,9 +22,6 @@
     "Parity",
     "Promise"
   ],
-  "scripts": {
-    "test": "node test/smoke.spec.js"
-  },
   "peerDependencies": {
     "es6-promise": "^4.0.5",
     "isomorphic-fetch": "^2.2.1",
diff --git a/js/scripts/prepare-npm-libraries.sh b/js/scripts/prepare-npm-libraries.sh
index 2c10f88dfe7..b80dee6e736 100755
--- a/js/scripts/prepare-npm-libraries.sh
+++ b/js/scripts/prepare-npm-libraries.sh
@@ -17,10 +17,7 @@ cp LICENSE npm/jsonrpc/LICENSE
 mkdir -p npm/jsonrpc/src
 cp -R src/jsonrpc/* npm/jsonrpc/src
 env LIBRARY=jsonrpc npm run ci:build:npm
-
-pushd .; cd npm/jsonrpc
-npm test
-popd
+node test/e2e/jsonrpc.smoke.js
 
 printf "\n\n"
 printf "\n***************************************"
@@ -32,10 +29,7 @@ cp src/parity.npm.js npm/parity/src/index.js
 cp -R src/abi npm/parity/src
 cp -R src/api npm/parity/src
 env LIBRARY=parity npm run ci:build:npm
-
-pushd .; cd npm/parity
-npm test
-popd
+node test/e2e/parity.smoke.js
 
 printf "\n\n"
 printf "\n***************************************"
@@ -45,10 +39,7 @@ cp LICENSE npm/etherscan/LICENSE
 mkdir -p npm/etherscan/src
 cp -LR src/3rdparty/etherscan/* npm/etherscan/src
 env LIBRARY=etherscan npm run ci:build:npm
-
-pushd .; cd npm/etherscan
-npm test
-popd
+node test/e2e/etherscan.smoke.js
 
 printf "\n\n"
 printf "\n***************************************"
@@ -58,10 +49,7 @@ cp LICENSE npm/shapeshift/LICENSE
 mkdir -p npm/shapeshift/src
 cp -R src/3rdparty/shapeshift/* npm/shapeshift/src
 env LIBRARY=shapeshift npm run ci:build:npm
-
-pushd .; cd npm/shapeshift
-npm test
-popd
+node test/e2e/shapeshift.smoke.js
 
 # exit with exit code
 exit 0
diff --git a/js/npm/etherscan/test/smoke.spec.js b/js/test/e2e/etherscan.smoke.js
similarity index 94%
rename from js/npm/etherscan/test/smoke.spec.js
rename to js/test/e2e/etherscan.smoke.js
index bbc114eb785..b296cac02e1 100644
--- a/js/npm/etherscan/test/smoke.spec.js
+++ b/js/test/e2e/etherscan.smoke.js
@@ -17,5 +17,5 @@
 const assert = require('assert');
 
 assert.doesNotThrow(() => {
-  const etherscan = require('..');
+  const etherscan = require('../../npm/etherscan');
 }, Error, 'requiring @parity/etherscan fails');
diff --git a/js/npm/jsonrpc/test/smoke.spec.js b/js/test/e2e/jsonrpc.smoke.js
similarity index 92%
rename from js/npm/jsonrpc/test/smoke.spec.js
rename to js/test/e2e/jsonrpc.smoke.js
index 59bad3a057b..6764742872c 100644
--- a/js/npm/jsonrpc/test/smoke.spec.js
+++ b/js/test/e2e/jsonrpc.smoke.js
@@ -17,9 +17,9 @@
 const assert = require('assert');
 
 assert.doesNotThrow(() => {
-  require('..');
+  require('../../npm/jsonrpc');
 }, Error, 'requiring @parity/jsonrpc fails');
 
 assert.doesNotThrow(() => {
-  require('../index.json');
+  require('../../npm/jsonrpc/index.json');
 }, Error, 'requiring @parity/jsonrpc/index.json fails');
diff --git a/js/npm/parity/test/smoke.spec.js b/js/test/e2e/parity.smoke.js
similarity index 85%
rename from js/npm/parity/test/smoke.spec.js
rename to js/test/e2e/parity.smoke.js
index b063d2315a4..77249b4977c 100644
--- a/js/npm/parity/test/smoke.spec.js
+++ b/js/test/e2e/parity.smoke.js
@@ -17,10 +17,10 @@
 const assert = require('assert');
 
 assert.doesNotThrow(() => {
-  const parity = require('..');
-}, Error, 'requiring @parity/parity fails');
+  const parity = require('../../npm/parity');
+}, Error, 'requiring @parity/parity.js fails');
 
-const parity = require('..');
+const parity = require('../../npm/parity');
 assert.ok(parity);
 assert.ok(parity.Api);
 assert.ok(parity.Abi);
diff --git a/js/npm/shapeshift/test/smoke.spec.js b/js/test/e2e/shapeshift.smoke.js
similarity index 93%
rename from js/npm/shapeshift/test/smoke.spec.js
rename to js/test/e2e/shapeshift.smoke.js
index 522f752a582..d4d77348476 100644
--- a/js/npm/shapeshift/test/smoke.spec.js
+++ b/js/test/e2e/shapeshift.smoke.js
@@ -17,5 +17,5 @@
 const assert = require('assert');
 
 assert.doesNotThrow(() => {
-  const shapeshift = require('..');
+  const shapeshift = require('../../npm/shapeshift');
 }, Error, 'requiring @parity/shapeshift fails');