add wrapping modules in integration tests

tests/concurrency_tests.rs

@@ -1,3 +1,5 @@
+#[cfg(test)]
+mod must {
     use std::fs;
     use std::path::Path;
 
@@ -8,7 +10,6 @@ use bakare::{backup, restore};
     use nix::sys::wait::{waitpid, WaitStatus};
     use nix::unistd::{fork, ForkResult};
     use tempfile::tempdir;
-
     #[test]
     fn handle_concurrent_backups() -> Result<()> {
         setup_logger();
@@ -102,3 +103,4 @@ fn setup_logger() {
     fn file_id(i: usize, j: usize) -> String {
         format!("{}-{}", i, j)
     }
+}

tests/deduplication_tests.rs

@@ -1,10 +1,11 @@
+#[cfg(test)]
+mod must {
     use tempfile::tempdir;
 
     use bakare::repository::Repository;
     use bakare::test::{assertions::*, source::TestSource};
 
     use proptest::prelude::*;
-
     proptest! {
         #[test]
         fn store_duplicated_files_just_once(contents in any::<[u8;3]>()) {
@@ -25,3 +26,4 @@ proptest! {
             assert_restored_file_contents(repository_path, &source.file_path("2"), &contents).unwrap();
         }
     }
+}

tests/system_tests.rs

@@ -1,3 +1,5 @@
+#[cfg(test)]
+mod must {
     use tempfile::tempdir;
 
     use anyhow::Result;
@@ -106,3 +108,4 @@ fn forbid_backup_of_paths_within_repository() -> Result<()> {
     // TODO: index corruption
     // TODO: encryption
     // TODO: resume from sleep while backup in progress
+}