Do not immediately run action if required by another

Author: jwpereira

src/index.ts

@@ -25,6 +25,10 @@ async function run() {
     });
 }
 
-run().catch((e) => {
-    core.setFailed(e);
-});
+// Do not run if this node module is required by another action such as
+// run-tests.
+if (!(require.main === module)) {
+    run().catch((e) => {
+        core.setFailed(e);
+    });
+}