refactor: replace manual controller tests with GetBar contract

Author: mariuszs

friendly-id-samples/friendly-id-contracts/src/test/java/com/devskiller/friendly_id/sample/contracts/BarControllerTest.java

@@ -0,0 +1,26 @@
+org.springframework.cloud.contract.spec.Contract.make {
+	request {
+		method 'GET'
+		url '/foos/caffe/bars/latte'
+		headers {
+			applicationJsonUtf8()
+		}
+	}
+	response {
+		status 200
+		body(
+				name: 'Bar',
+				_links: [
+						self: [
+								href: 'http://localhost/foos/caffe/bars/latte'
+						],
+						foos: [
+								href: 'http://localhost/foos'
+						]
+				]
+		)
+		headers {
+			applicationJsonUtf8()
+		}
+	}
+}