Add test re. #430 - include-as-chain

test/function/import-chain-as/_config.js

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+module.exports = {
+	description: 'imports as- chained exports'
+};
+
+// test copied from https://github.com/esnext/es6-module-transpiler/tree/master/test/examples/import-chain

test/function/import-chain-as/first.js

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+export var value = 42;

test/function/import-chain-as/main.js

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+import * as second from './second';
+
+assert.equal(second.first.value, 42);
+assert.deepEqual(second, {first: {value: 42}})
+//console.log("second", second)
+//console.log("first", second.first)

test/function/import-chain-as/second.js

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+import * as first from './first';
+export { first };