add test

src/test/groovy/biz/nellemann/libcvrapi/OpenCvrApiSpec.groovy

@@ -59,6 +59,22 @@ class OpenCvrApiSpec extends Specification {
 		company.name == 'Mintr ApS'
 	}
 
+	void "test we can HTTP GET company with CVR 25063864 deserialized into Company"() {
+
+		setup:
+		def testFile = new File(getClass().getResource('/open-38979167.json').toURI())
+		def testJson = testFile.getText('UTF-8')
+		mockServer.enqueue(new MockResponse().setBody(testJson));
+		HttpUrl baseUrl = mockServer.url("/api");
+		api = new OpenCvrApi("Test User Agent", baseUrl.toString())
+
+		when:
+		def company = api.getCompanyByVatNumber("25063864")
+
+		then:
+		company != null
+		company.vat == 38979167
+	}
 
 }