Fixed bug that only tested one file

build.rs

@@ -4,12 +4,17 @@ use std::fs;
 
 fn main() {
     let paths = fs::read_dir("./pages/").unwrap();
+    let mut vec = Vec::new();
 
+    // Convert paths to strings and add to vec
     for path in paths {
         let p = path.unwrap().path();
         let s = p.to_str().unwrap();
         if s.contains(".md") {
-                skeptic::generate_doc_tests(&[s])
+            vec.push(s.to_string());
         }
     }
+    // Convert Vec<String> to Vec<str>
+    let vec: Vec<_> = vec.iter().map(|s|&s[..]).collect();
+    skeptic::generate_doc_tests(&vec);
 }