✅ test: add test to custom field

Author: icebob

test/unit/specs/index.spec.js

@@ -10,6 +10,7 @@ describe("module", () => {
 		expect(VueFormGenerator).to.have.property("component");
 		expect(VueFormGenerator).to.have.property("schema");
 		expect(VueFormGenerator).to.have.property("validators");
+		expect(VueFormGenerator).to.have.property("abstractField");
 		expect(VueFormGenerator.install).to.be.a("function");
 
 	});