Fix test compilation and some running

There are failing tests that I don't understand

src/config.rs

@@ -100,9 +100,9 @@ mod tests {
         json!({
             "version": mdbook_core::MDBOOK_VERSION,
             "root": "tests/long_book_example",
-            "book": {"sections": [], "__non_exhaustive": null},
+            "book": {"items": [], "__non_exhaustive": null},
             "config": {
-                "book": {"authors": [], "language": "en", "multilingual": false,
+                "book": {"authors": [], "language": "en", "text-direction": "ltr",
                     "src": source, "title": "DummyBook"},
                 "output": {"epub": {"optional": true}}},
             "destination": destination

src/filters/footnote.rs

@@ -89,7 +89,7 @@ impl<'a> FootnoteFilter<'a> {
             _ => unreachable!(),
         });
     }
-    pub(crate) fn get_events(&self) -> impl Iterator<Item = Event> {
+    pub(crate) fn get_events(&self) -> impl Iterator<Item = Event<'_>> {
         self.footnotes
             .clone()
             .into_iter()

tests/common/epub.rs

@@ -1,8 +1,8 @@
 use crate::common::init_logging::init_logging;
 use epub::doc::EpubDoc;
 use log::{debug, error};
-use mdbook::MDBook;
-use mdbook::renderer::RenderContext;
+use mdbook_driver::MDBook;
+use mdbook_renderer::RenderContext;
 use mdbook_epub::errors::Error;
 use std::fs::File;
 use std::io::BufReader;

tests/footnote_epub3_example/book.toml

@@ -1,9 +1,9 @@
 [book]
 title = "FootnoteEpub3Example"
 authors = []
-multilingual = false
+
 src = "src"
-lang = "en"
+language = "en"
 
 [output.epub]
 epub-version = 3

tests/long_book_example/book.toml

@@ -1,9 +1,9 @@
 [book]
 title = "LongBookExample"
 authors = []
-multilingual = false
+
 src = "src"
-lang = "en"
+language = "en"
 
 [output.epub]
 curly-quotes = true

tests/page_break_example/book.toml

@@ -1,7 +1,7 @@
 [book]
 title = "PageBreakExample"
 authors = []
-multilingual = false
+
 src = "src"
 lang = "en"
 

tests/remote_image_fetch/book.toml

@@ -1,7 +1,7 @@
 [book]
 title = "RemoteImageFetchExample"
 authors = []
-multilingual = false
+
 src = "src"
 lang = "en"
 

tests/straight_quotes_into_curly_quotes/book.toml

@@ -1,7 +1,7 @@
 [book]
 title = "CurlyQuotesBookExample"
 authors = []
-multilingual = false
+
 src = "src"
 lang = "en"