1 files changed, 2 insertions, 0 deletions

diff --git a/crates/ra_lsp_server/tests/heavy_tests/main.rs b/crates/ra_lsp_server/tests/heavy_tests/main.rs
index e9f02a6e4..b0e1e65b6 100644
--- a/crates/ra_lsp_server/tests/heavy_tests/main.rs
+++ b/crates/ra_lsp_server/tests/heavy_tests/main.rs
@@ -121,6 +121,8 @@ fn test_eggs() {}
 use std::collections::HashMap;
 #[test]
 fn test_format_document() {
+    tools::install_rustfmt().unwrap();
+
     let server = project(
         r#"
 [package]