test: convert context tests to typescript

Author: aminya

test/unit/compat/context-test.js renamed to test/unit/compat/context-test.ts

@@ -1,7 +1,7 @@
-if (process.env.INCLUDE_COMPAT_TESTS) {
-  const zmq = require("./load")
-  const {assert} = require("chai")
+import * as zmq from "../../../v5-compat"
+import {assert} from "chai"
 
+if (process.env.INCLUDE_COMPAT_TESTS) {
   describe("compat context", function () {
     it("should support setting max io threads", function () {
       zmq.Context.setMaxThreads(3)