tests run twice to verify redownloaded acsm can still be converted

tests/tests.py

@@ -17,6 +17,7 @@ if len(sys.argv) != 2:
         file=sys.stderr,
     )
     sys.exit()
+workspace = Path(sys.argv[1])
 
 print("Testing " + str(knock))
 
@@ -26,11 +27,6 @@ if result.returncode != 0:
     sys.exit()
 print("---")
 
-workspace = Path(sys.argv[1])
-if workspace.exists():
-    shutil.rmtree(workspace)
-workspace.mkdir()
-
 html = requests.get(
     "https://www.adobe.com/solutions/ebook/digital-editions/sample-ebook-library.html"
 ).text
@@ -48,9 +44,16 @@ for a_tag in soup.find_all("a"):
     if len(links) >= 10:
         break
 
-for i, link in enumerate(links):
+for time in ["first", "second"]:
+
+    if workspace.exists():
+        shutil.rmtree(workspace)
+    workspace.mkdir()
+
+    for i, link in enumerate(links):
         i = str(i)
-    print("Testing URL #" + i + ":\n" + link)
+
+        print("Testing URL #" + i + " for the " + time + " time:\n" + link)
         file = workspace.joinpath(i + ".acsm")
 
         r = requests.get(link)