Improve readability in tests

Co-authored-by: Jono Yang <JonoYang@users.noreply.github.com>

Author: TG1999

tests/test_requirement_parsing.py

@@ -7,7 +7,17 @@
 
 
 def test_get_extra_data_from_requirements():
-    assert list(get_extra_data_from_requirements(REQ_FILE)) == [
+    expected = [
+            {
+            "extra_index_urls": [
+                "https://pypi.python.org/simple/",
+                "https://testpypi.python.org/simple/",
+                "https://pypi1.python.org/simple/",
+            ]
+        }
+    ]
+    result = list(get_extra_data_from_requirements(REQ_FILE))
+    assert expected == result
         {
             "extra_index_urls": [
                 "https://pypi.python.org/simple/",