diff --git a/tests/init.rs b/tests/init.rs
index ae064b31..9b2d8ea5 100644
--- a/tests/init.rs
+++ b/tests/init.rs
@@ -98,16 +98,6 @@ fn run_mdbook_init_with_custom_book_and_src_locations() {
     );
 }
 
-#[test]
-fn book_toml_isnt_required() {
-    let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();
-    let md = MDBook::init(temp.path()).build().unwrap();
-
-    let _ = fs::remove_file(temp.path().join("book.toml"));
-
-    md.build().unwrap();
-}
-
 #[test]
 fn copy_theme() {
     let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();
diff --git a/tests/testsuite/build.rs b/tests/testsuite/build.rs
index f276ab96..f197e974 100644
--- a/tests/testsuite/build.rs
+++ b/tests/testsuite/build.rs
@@ -53,3 +53,15 @@ fn no_reserved_filename() {
 "#]]);
     });
 }
+
+// Build without book.toml should be OK.
+#[test]
+fn book_toml_isnt_required() {
+    let mut test = BookTest::init(|_| {});
+    std::fs::remove_file(test.dir.join("book.toml")).unwrap();
+    test.build();
+    test.check_main_file(
+        "book/chapter_1.html",
+        str![[r##"<h1 id="chapter-1"><a class="header" href="#chapter-1">Chapter 1</a></h1>"##]],
+    );
+}