Add tests

tests/DCC/AdministrativeData.RespPersons.test.ts

+/**
+ * @jest-environment ./tests/XMLEnvironment.ts
+ * @xml ./tests/resources/example.xml
+ */
+
+import { select, toTextArr, toTextContentArr } from "../util";
+import { RespPersonType, DCCDocument } from "../../src";
+
+const base = "//dcc:administrativeData/dcc:respPersons";
+const xpath = {
+  respPersons: {
+    respPerson: {
+      person: {
+        name: {
+          content: `${base}/dcc:respPerson[1]/dcc:person/dcc:name/dcc:content`,
+        },
+      },
+      mainSigner: `string(${base}/dcc:respPerson[1]/dcc:mainSigner)`,
+    },
+  },
+};
+
+describe("ContactType", () => {
+  let dcc: DCCDocument, respPerson: RespPersonType, dom;
+
+  beforeEach(async () => {
+    ({ dcc, dom } = await xmlEnv.recreateEnv());
+    respPerson = dcc.digitalCalibrationCertificate.administrativeData.respPersons.respPerson[0];
+  });
+
+  test("should get correct res name content from XML", () => {
+    // get expected list from example xml
+    const expected = <Element[]>select(xpath.respPersons.respPerson.person.name.content, dom);
+    expect(toTextArr(respPerson.person.name.content)).toEqual(toTextContentArr(expected));
+  });
+
+  test("should get correct responsible person main signer flag from XML", () => {
+    expect(respPerson.mainSigner._text).toBe(select(xpath.respPersons.respPerson.mainSigner, dom));
+  });
+
+  /* TODO: setters */
+});