Convert Designspiration to use the Status Code detection method. The site gives a clean 404 error. Add to tests.

data.json

@@ -197,10 +197,9 @@
     "urlMain": "https://www.dailymotion.com/"
   },
   "Designspiration": {
-    "errorMsg": "Content Not Found",
+    "errorType": "status_code",
-    "errorType": "message",
     "rank": 24722,
-    "url": "https://www.designspiration.net/{}",
+    "url": "https://www.designspiration.net/{}/",
     "urlMain": "https://www.designspiration.net/"
   },
   "DeviantART": {

tests/all.py

@@ -160,7 +160,7 @@ class SherlockSiteCoverageTests(SherlockBaseTest):
         self.username_check(['noonewouldeverusethis7'],
                             ["Academia.edu", "9GAG", "About.me", "AngelList",
                              "BLIP.fm", "Bandcamp", "Behance", "BuzzFeed",
-                             "Codecademy", "Codementor"
+                             "Codecademy", "Codementor", "Designspiration"
                             ],
                             exist_check=False
                            )
@@ -184,7 +184,7 @@ class SherlockSiteCoverageTests(SherlockBaseTest):
         self.username_check(['blue'],
                             ["Academia.edu", "9GAG", "About.me", "AngelList",
                              "BLIP.fm", "Bandcamp", "Behance", "BuzzFeed",
-                             "Codecademy", "Codementor"
+                             "Codecademy", "Codementor", "Designspiration"
                             ],
                             exist_check=True
                            )