diff --git a/src/utils/lines/simple/mod.rs b/src/utils/lines/simple/mod.rs
index 8872215..7ad085f 100644
--- a/src/utils/lines/simple/mod.rs
+++ b/src/utils/lines/simple/mod.rs
@@ -37,7 +37,7 @@ pub struct Span {
 /// extern crate unicode_segmentation;
 /// use unicode_segmentation::UnicodeSegmentation;
 ///
-/// # use cursive::utils::prefix;
+/// # use cursive::utils::lines::simple::prefix;
 /// # fn main() {
 /// let my_text = "blah...";
 /// // This returns the number of bytes for a prefix of `my_text` that
@@ -109,3 +109,15 @@ pub fn simple_suffix(text: &str, width: usize) -> Span {
 pub fn simple_prefix(text: &str, width: usize) -> Span {
     prefix(text.graphemes(true), width, "")
 }
+
+#[cfg(test)]
+mod tests {
+    use super::prefix;
+
+    #[test]
+    fn test_prefix() {
+        assert_eq!(prefix(" abra ".split(' '), 5, " ").length, 5);
+        assert_eq!(prefix("abra a".split(' '), 5, " ").length, 4);
+        assert_eq!(prefix("a a br".split(' '), 5, " ").length, 3);
+    }
+}
diff --git a/src/utils/lines/spans/segment.rs b/src/utils/lines/spans/segment.rs
index b5cba4c..62d4513 100644
--- a/src/utils/lines/spans/segment.rs
+++ b/src/utils/lines/spans/segment.rs
@@ -16,7 +16,7 @@ pub struct Segment {
 
 impl Segment {
     #[cfg(test)]
-    fn with_text<'a>(self, text: &'a str) -> SegmentWithText<'a> {
+    pub fn with_text<'a>(self, text: &'a str) -> SegmentWithText<'a> {
         SegmentWithText { text, seg: self }
     }
 }
diff --git a/src/utils/lines/spans/tests.rs b/src/utils/lines/spans/tests.rs
index eac538c..d45647d 100644
--- a/src/utils/lines/spans/tests.rs
+++ b/src/utils/lines/spans/tests.rs
@@ -1,4 +1,13 @@
-use super::*;
+use theme::Style;
+use super::Span;
+use super::chunk::Chunk;
+use super::row::Row;
+use super::chunk_iterator::ChunkIterator;
+use super::segment::Segment;
+
+use super::SpanLinesIterator;
+
+use std::borrow::Cow;
 
 fn input() -> Vec<Span<'static>> {
     vec![
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index fcfe8f1..9a83125 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -4,15 +4,3 @@ mod reader;
 pub mod lines;
 
 pub use self::reader::ProgressReader;
-
-#[cfg(test)]
-mod tests {
-    use utils;
-
-    #[test]
-    fn test_prefix() {
-        assert_eq!(utils::prefix(" abra ".split(' '), 5, " ").length, 5);
-        assert_eq!(utils::prefix("abra a".split(' '), 5, " ").length, 4);
-        assert_eq!(utils::prefix("a a br".split(' '), 5, " ").length, 3);
-    }
-}