diff --git a/core/src/test/java/definitions.json.license b/core/src/test/java/definitions.json.license
new file mode 100644
index 00000000..370e4dcb
--- /dev/null
+++ b/core/src/test/java/definitions.json.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Contributors to ClearlyDefined
+
+SPDX-License-Identifier: CC0-1.0
diff --git a/core/src/test/java/lockfile-1.1.0.json.license b/core/src/test/java/lockfile-1.1.0.json.license
new file mode 100644
index 00000000..370e4dcb
--- /dev/null
+++ b/core/src/test/java/lockfile-1.1.0.json.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Contributors to ClearlyDefined
+
+SPDX-License-Identifier: CC0-1.0
diff --git a/core/src/test/java/write-1.0.3.json.license b/core/src/test/java/write-1.0.3.json.license
new file mode 100644
index 00000000..370e4dcb
--- /dev/null
+++ b/core/src/test/java/write-1.0.3.json.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Contributors to ClearlyDefined
+
+SPDX-License-Identifier: CC0-1.0