-B break change, empty header in verifyAll is handled better

Co-Authored-By: Nitsan Avni <nitsanav@gmail.com>
Co-Authored-By: Samuel Taggart <Samuel.Taggart@gmail.com>

approval_utilities/list_utils.py

@@ -4,7 +4,7 @@
 def format_list(alist: List[str], formatter: Optional[Callable], header: str) -> str:
     if formatter is None:
         formatter = FormatLineItem().print_item
-    text = header + "\n\n"
+    text = (header + "\n\n") if header else ""
     for i in alist:
         text += formatter(i) + "\n"
     return text

tests/reporters/approved_files/ReporterTests.test_move_command.approved.txt

@@ -1,4 +1,2 @@
-
-
 move "a.text" "r.txt"
 mv -f a.text r.txt

tests/test_verify_all.py

@@ -0,0 +1,10 @@
+from approvaltests import Options, verify_all
+
+
+def test_verify_all_with_no_header():
+    """
+    0) 1
+    1) 2
+    2) 3
+    """
+    verify_all("", ["1", "2", "3"],options=Options().inline())