Change docx folder to more appropriate "file" folder

src/file/xml-components/xml-component.spec.ts

@@ -0,0 +1,24 @@
+import { assert } from "chai";
+
+import { Utility } from "../../tests/utility";
+import { XmlComponent } from "./";
+
+class TestComponent extends XmlComponent {
+
+}
+
+describe("XmlComponent", () => {
+    let xmlComponent: TestComponent;
+
+    beforeEach(() => {
+        xmlComponent = new TestComponent("w:test");
+    });
+
+    describe("#constructor()", () => {
+
+        it("should create an Xml Component which has the correct rootKey", () => {
+            const newJson = Utility.jsonify(xmlComponent);
+            assert.equal(newJson.rootKey, "w:test");
+        });
+    });
+});