diff --git a/src/cargo/ops/cargo_new.rs b/src/cargo/ops/cargo_new.rs
index 0df39321e3f..c7ba255803a 100644
--- a/src/cargo/ops/cargo_new.rs
+++ b/src/cargo/ops/cargo_new.rs
@@ -809,11 +809,17 @@ fn main() {
 "
         } else {
             b"\
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/auto_git/out/src/lib.rs b/tests/testsuite/init/auto_git/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/auto_git/out/src/lib.rs
+++ b/tests/testsuite/init/auto_git/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/formats_source/out/src/lib.rs b/tests/testsuite/init/formats_source/out/src/lib.rs
index 059dc12384e..3b9acffd5ad 100644
--- a/tests/testsuite/init/formats_source/out/src/lib.rs
+++ b/tests/testsuite/init/formats_source/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+  left + right
+}
+
 #[cfg(test)]
 mod tests {
+  use super::*;
+
   #[test]
   fn it_works() {
-    let result = 2 + 2;
+    let result = add(2, 2);
     assert_eq!(result, 4);
   }
 }
diff --git a/tests/testsuite/init/fossil_autodetect/out/src/lib.rs b/tests/testsuite/init/fossil_autodetect/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/fossil_autodetect/out/src/lib.rs
+++ b/tests/testsuite/init/fossil_autodetect/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/git_autodetect/out/src/lib.rs b/tests/testsuite/init/git_autodetect/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/git_autodetect/out/src/lib.rs
+++ b/tests/testsuite/init/git_autodetect/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/git_ignore_exists_no_conflicting_entries/out/src/lib.rs b/tests/testsuite/init/git_ignore_exists_no_conflicting_entries/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/git_ignore_exists_no_conflicting_entries/out/src/lib.rs
+++ b/tests/testsuite/init/git_ignore_exists_no_conflicting_entries/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/ignores_failure_to_format_source/out/src/lib.rs b/tests/testsuite/init/ignores_failure_to_format_source/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/ignores_failure_to_format_source/out/src/lib.rs
+++ b/tests/testsuite/init/ignores_failure_to_format_source/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/mercurial_autodetect/out/src/lib.rs b/tests/testsuite/init/mercurial_autodetect/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/mercurial_autodetect/out/src/lib.rs
+++ b/tests/testsuite/init/mercurial_autodetect/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/pijul_autodetect/out/src/lib.rs b/tests/testsuite/init/pijul_autodetect/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/pijul_autodetect/out/src/lib.rs
+++ b/tests/testsuite/init/pijul_autodetect/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/simple_git/out/src/lib.rs b/tests/testsuite/init/simple_git/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/simple_git/out/src/lib.rs
+++ b/tests/testsuite/init/simple_git/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/simple_git_ignore_exists/out/src/lib.rs b/tests/testsuite/init/simple_git_ignore_exists/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/simple_git_ignore_exists/out/src/lib.rs
+++ b/tests/testsuite/init/simple_git_ignore_exists/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/simple_hg/out/src/lib.rs b/tests/testsuite/init/simple_hg/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/simple_hg/out/src/lib.rs
+++ b/tests/testsuite/init/simple_hg/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/simple_hg_ignore_exists/out/src/lib.rs b/tests/testsuite/init/simple_hg_ignore_exists/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/simple_hg_ignore_exists/out/src/lib.rs
+++ b/tests/testsuite/init/simple_hg_ignore_exists/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/init/simple_lib/out/src/lib.rs b/tests/testsuite/init/simple_lib/out/src/lib.rs
index 1b4a90c9383..7d12d9af819 100644
--- a/tests/testsuite/init/simple_lib/out/src/lib.rs
+++ b/tests/testsuite/init/simple_lib/out/src/lib.rs
@@ -1,8 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
 #[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }
diff --git a/tests/testsuite/new.rs b/tests/testsuite/new.rs
index ae23842c14f..92a5ed46555 100644
--- a/tests/testsuite/new.rs
+++ b/tests/testsuite/new.rs
@@ -39,11 +39,17 @@ fn simple_lib() {
     let contents = fs::read_to_string(&lib).unwrap();
     assert_eq!(
         contents,
-        r#"#[cfg(test)]
+        r#"pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
     fn it_works() {
-        let result = 2 + 2;
+        let result = add(2, 2);
         assert_eq!(result, 4);
     }
 }