Update test framework: fix run_tests.py to support all test files, add auto-import-check for test files

node_modules/@protobufjs/inquire/tests/index.js

@@ -0,0 +1,20 @@
+var tape = require("tape");
+
+var inquire = require("..");
+
+tape.test("inquire", function(test) {
+
+    test.equal(inquire("buffer").Buffer, Buffer, "should be able to require \"buffer\"");
+
+    test.equal(inquire("%invalid"), null, "should not be able to require \"%invalid\"");
+
+    test.equal(inquire("./tests/data/emptyObject"), null, "should return null when requiring a module exporting an empty object");
+
+    test.equal(inquire("./tests/data/emptyArray"), null, "should return null when requiring a module exporting an empty array");
+
+    test.same(inquire("./tests/data/object"), { a: 1 }, "should return the object if a non-empty object");
+
+    test.same(inquire("./tests/data/array"), [ 1 ], "should return the module if a non-empty array");
+
+    test.end();
+});