diff --git a/com.ibm.wala.cast.js.test.data/.settings/org.eclipse.jdt.core.prefs b/com.ibm.wala.cast.js.test.data/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 000000000..35068d95f
--- /dev/null
+++ b/com.ibm.wala.cast.js.test.data/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.source=1.8