test: cover import-time process side effects

Author: PNHD

test/import.js

@@ -0,0 +1,16 @@
+const assert = require("assert")
+
+describe("Testing module import", () => {
+  it("doesn't install an uncaughtException handler when imported", () => {
+    const modulePath = require.resolve("../index.js")
+    const listenersBefore = process.listenerCount("uncaughtException")
+
+    delete require.cache[modulePath]
+    require(modulePath)
+
+    assert.strictEqual(
+      process.listenerCount("uncaughtException"),
+      listenersBefore
+    )
+  })
+})