diff --git a/test/bench/node.js b/test/bench/node.js
index 23d6b09d53..703f06ebaf 100644
--- a/test/bench/node.js
+++ b/test/bench/node.js
@@ -1,3 +1,7 @@
+// loaders.gl
+// SPDX-License-Identifier: MIT
+// Copyright (c) vis.gl contributors
+
 import '@loaders.gl/polyfills';
 import {Bench} from '@probe.gl/bench';
 
diff --git a/test/common/conformance.ts b/test/common/conformance.ts
index 23a1696a72..db1a7335e6 100644
--- a/test/common/conformance.ts
+++ b/test/common/conformance.ts
@@ -1,3 +1,7 @@
+// loaders.gl
+// SPDX-License-Identifier: MIT
+// Copyright (c) vis.gl contributors
+
 export function validateLoader(t, loader, name = '') {
   t.ok(typeof loader.id === 'string', `Loader ${name} loader.id is not defined`);
   t.ok(loader, `Loader ${name} defined`);
diff --git a/test/render/test-cases/index.js b/test/render/test-cases/index.js
index 6d6ae0fd16..6cc15b7462 100644
--- a/test/render/test-cases/index.js
+++ b/test/render/test-cases/index.js
@@ -1,3 +1,7 @@
+// loaders.gl
+// SPDX-License-Identifier: MIT
+// Copyright (c) vis.gl contributors
+
 import meshTestCases from './mesh';
 import pointCloudTestCases from './point-cloud';
 
diff --git a/test/render/test-cases/mesh.js b/test/render/test-cases/mesh.js
index 30894016fd..b81e93ebc9 100644
--- a/test/render/test-cases/mesh.js
+++ b/test/render/test-cases/mesh.js
@@ -1,3 +1,7 @@
+// loaders.gl
+// SPDX-License-Identifier: MIT
+// Copyright (c) vis.gl contributors
+
 import {load} from '@loaders.gl/core';
 import {PLYLoader} from '@loaders.gl/ply';
 import {getModel, drawModelInViewport} from '../test-utils/get-model';
diff --git a/test/render/test-cases/point-cloud.js b/test/render/test-cases/point-cloud.js
index b686008364..efc2abd477 100644
--- a/test/render/test-cases/point-cloud.js
+++ b/test/render/test-cases/point-cloud.js
@@ -1,3 +1,7 @@
+// loaders.gl
+// SPDX-License-Identifier: MIT
+// Copyright (c) vis.gl contributors
+
 import {load, fetchFile, parse, encode} from '@loaders.gl/core';
 import {DracoWriter, DracoLoader} from '@loaders.gl/draco';
 import {LASLoader} from '@loaders.gl/las';
diff --git a/test/render/test-utils/get-model.js b/test/render/test-utils/get-model.js
index 3c087a1964..f0425e561b 100644
--- a/test/render/test-utils/get-model.js
+++ b/test/render/test-utils/get-model.js
@@ -1,3 +1,7 @@
+// loaders.gl
+// SPDX-License-Identifier: MIT
+// Copyright (c) vis.gl contributors
+
 import {mat4} from '@math.gl/core';
 import {Model, Geometry} from '@luma.gl/engine';
 
diff --git a/test/render/test-utils/normalize-attributes.js b/test/render/test-utils/normalize-attributes.js
index da94359e70..929f2da9d6 100644
--- a/test/render/test-utils/normalize-attributes.js
+++ b/test/render/test-utils/normalize-attributes.js
@@ -1,3 +1,7 @@
+// loaders.gl
+// SPDX-License-Identifier: MIT
+// Copyright (c) vis.gl contributors
+
 const DEFAULT_COLOR = {constant: true, size: 4, value: new Float32Array([0, 0, 0, 255])};
 const DEFAULT_NORMAL = {constant: true, size: 3, value: new Float32Array([0, 0, 1])};
 const DEFAULT_TEX_COORDS = {constant: true, size: 2, value: new Float32Array([0, 0])};