Porting tests over to vitest

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

@@ -1,4 +1,4 @@
-import { assert } from "chai";
+import { assert, describe, it } from "vitest";
 
 import { Attributes } from "./";
 

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

@@ -1,4 +1,4 @@
-import { expect } from "chai";
+import { beforeEach, describe, expect, it } from "vitest";
 import { Element, xml2js } from "xml-js";
 
 import { EMPTY_OBJECT } from "@file/xml-components";

src/file/xml-components/simple-elements.spec.ts

@@ -1,4 +1,4 @@
-import { expect } from "chai";
+import { describe, expect, it } from "vitest";
 
 import { Formatter } from "@export/formatter";
 

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

@@ -1,4 +1,4 @@
-import { expect } from "chai";
+import { describe, expect, it } from "vitest";
 
 import { Formatter } from "@export/formatter";
 import { Attributes, BaseXmlComponent, XmlComponent } from "./";