fix(test): proper type checking for files with doc tests (#23654)

Closes https://github.com/denoland/deno/issues/23430

---------

Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>

cli/tools/test/mod.rs

@@ -1326,27 +1326,7 @@ pub async fn check_specifiers(
   )
   .await?;
 
-  if !inline_files.is_empty() {
+  let mut module_specifiers = specifiers
-    let specifiers = inline_files
-      .iter()
-      .map(|file| file.specifier.clone())
-      .collect();
-
-    for file in inline_files {
-      file_fetcher.insert_memory_files(file);
-    }
-
-    module_load_preparer
-      .prepare_module_load(
-        specifiers,
-        false,
-        lib,
-        PermissionsContainer::new(Permissions::allow_all()),
-      )
-      .await?;
-  }
-
-  let module_specifiers = specifiers
     .into_iter()
     .filter_map(|(specifier, mode)| {
       if mode != TestMode::Documentation {
@@ -1355,7 +1335,16 @@ pub async fn check_specifiers(
         None
       }
     })
-    .collect();
+    .collect::<Vec<_>>();
+
+  if !inline_files.is_empty() {
+    module_specifiers
+      .extend(inline_files.iter().map(|file| file.specifier.clone()));
+
+    for file in inline_files {
+      file_fetcher.insert_memory_files(file);
+    }
+  }
 
   module_load_preparer
     .prepare_module_load(

tests/specs/test/type_check_with_doc/__test__.jsonc

@@ -0,0 +1,5 @@
+{
+  "args": "test --doc main.ts",
+  "output": "main.out",
+  "exitCode": 1
+}

tests/specs/test/type_check_with_doc/main.out

@@ -0,0 +1,13 @@
+Check [WILDCARD]/main.ts
+Check [WILDCARD]/main.ts$2-5.ts
+error: TS2322 [ERROR]: Type 'number' is not assignable to type 'string'.
+const a: string = 1;
+      ^
+    at file://[WILDCARD]/main.ts:8:7
+
+TS2322 [ERROR]: Type 'string' is not assignable to type 'number'.
+const b: number = "1";
+      ^
+    at file://[WILDCARD]/main.ts$2-5.ts:1:7
+
+Found 2 errors.

tests/specs/test/type_check_with_doc/main.ts

@@ -0,0 +1,8 @@
+/**
+ * ```ts
+ * const b: number = "1";
+ * ```
+ */
+function foo() {}
+
+const a: string = 1;