/test/invalid/not-image-file: port to using WireMock stub.

No functional changes.

Author: php-coder

src/main/java/ru/mystamps/web/controller/TestController.java

@@ -23,19 +23,12 @@
 
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.ResponseBody;
 
 import static ru.mystamps.web.util.ControllerUtils.printHtml;
 
 @Controller
 public class TestController {
 
-	@GetMapping(path = "/test/invalid/not-image-file", produces = "application/json")
-	@ResponseBody
-	public String simpleJson() {
-		return "test";
-	}
-	
 	@GetMapping("/test/valid/series-info/existing-seller")
 	public void seriesInfoWithExistingSeller(HttpServletResponse response) throws IOException {
 		printHtml(

src/test/robotframework/series/add-image/validation.robot

@@ -50,7 +50,7 @@ Add image with URL to an empty file
 	Element Text Should Be  id=image-url.errors  File must not be empty
 
 Add image with URL to a file of unsupported type (not an image)
-	Input Text              id=image-url  ${SITE_URL}/test/invalid/not-image-file
+	Input Text              id=image-url  ${MOCK_SERVER}/series/not-image-file
 	Submit Form             id=add-image-form
 	Element Text Should Be  id=image-url.errors  Invalid file type
 

src/test/robotframework/series/creation/validation-admin.robot

@@ -67,7 +67,7 @@ Create series with image URL to an empty file
 	Element Text Should Be  id=image-url.errors  File must not be empty
 
 Create series with image URL to a file of unsupported type (not an image)
-	Input Text              id=image-url  ${SITE_URL}/test/invalid/not-image-file
+	Input Text              id=image-url  ${MOCK_SERVER}/series/not-image-file
 	Submit Form             id=add-series-form
 	Element Text Should Be  id=image-url.errors  Invalid file type
 

src/test/wiremock/mappings/series/not-image-file.json

@@ -0,0 +1,13 @@
+{
+  "request": {
+    "method": "GET",
+    "url": "/series/not-image-file"
+  },
+  "response": {
+    "status": 200,
+    "headers": {
+      "Content-Type": "application/json"
+    },
+    "jsonBody": "test"
+  }
+}