diff --git a/.gitignore b/.gitignore
index e82299521f6..c714a07ef4d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ coverage
 .cache
 dist
 lib
+!test/**/node_modules
diff --git a/test/integration/plugins/node_modules/parcel-plugin-test/TextAsset.js b/test/integration/plugins/node_modules/parcel-plugin-test/TextAsset.js
new file mode 100644
index 00000000000..7d1a352b901
--- /dev/null
+++ b/test/integration/plugins/node_modules/parcel-plugin-test/TextAsset.js
@@ -0,0 +1,16 @@
+const {Asset} = require('../../../../../');
+
+class TextAsset extends Asset {
+  constructor(name, pkg, options) {
+    super(name, pkg, options);
+    this.type = 'js';
+  }
+
+  generate() {
+    return {
+      js: 'module.exports=' + JSON.stringify(this.contents)
+    };
+  }
+}
+
+module.exports = TextAsset;
diff --git a/test/integration/plugins/node_modules/parcel-plugin-test/index.js b/test/integration/plugins/node_modules/parcel-plugin-test/index.js
new file mode 100644
index 00000000000..1878e88fb5c
--- /dev/null
+++ b/test/integration/plugins/node_modules/parcel-plugin-test/index.js
@@ -0,0 +1,3 @@
+module.exports = function (bundler) {
+  bundler.addAssetType('txt', require.resolve('./TextAsset'));
+};