feat(docs/tests): EOF: Update tracker, add unimplemented tests (#773)

* feat(types/eof): Allow skipping joining same-type sections in header

* refactor(tests): refactor `container.py` into `test_container_validation.py`

* fix(docs): EOF tracker updates

* fix(docs/tests): more EOF tracker updates

* fix(docs): minor typo

Author: marioevz

src/ethereum_test_types/eof/v1/__init__.py

@@ -365,6 +365,10 @@ class Container(CopyValidateModel):
     Body: type section first, all code sections, data section(s), last
                 container sections
     """
+    skip_join_concurrent_sections_in_header: bool = False
+    """
+    Skip joining concurrent sections in the header (code and container)
+    """
     validity_error: EOFExceptionInstanceOrList | str | None = None
     """
     Optional error expected for the container.
@@ -435,7 +439,10 @@ def bytecode(self) -> bytes:
             # Join headers of the same kind in a list of lists, only if they are next to each other
             concurrent_sections: List[List[Section]] = [[header_sections[0]]]
             for s in header_sections[1:]:
-                if s.kind == concurrent_sections[-1][-1].kind:
+                if (
+                    s.kind == concurrent_sections[-1][-1].kind
+                    and not self.skip_join_concurrent_sections_in_header
+                ):
                     concurrent_sections[-1].append(s)
                 else:
                     concurrent_sections.append([s])