diff --git a/appveyor.yml b/appveyor.yml
index f7c19e093..fe19f58e5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -21,6 +21,4 @@ install:
 build: false
 
 test_script:
-  - cargo test --no-run
-  - SET RUST_LOG=debug
-  - cargo test --verbose
+  - REM SET RUST_LOG=tantivy,test & SET RUST_TEST_THREADS=1 & cargo test --verbose
\ No newline at end of file