Improve print statements for clarity on file source

Author: a-grealish

check_links.py

@@ -22,6 +22,8 @@ def get_test_from_file(file):
     try:
         with open('./' + file) as f:
             text = f.readlines()
+        print("Found file in the locally checked out repo")
+        return text
     except FileNotFoundError as e:
         print("Could not find file checked out locally, falling back to using public link")