diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b0a665a3980..098023a5cd4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -76,6 +76,7 @@ test-linux-rust-nightly:
 
 test-darwin-rust-stable:
   stage:                           test
+  cache: {}
   variables:
     CARGO_TARGET:                  x86_64-apple-darwin
     CC:                            gcc
diff --git a/rpc/src/lib.rs b/rpc/src/lib.rs
index 2f3f4968ec9..354907aadad 100644
--- a/rpc/src/lib.rs
+++ b/rpc/src/lib.rs
@@ -230,3 +230,4 @@ pub fn start_ws<M, S, H, T, U, V>(
 		.session_stats(stats)
 		.start(addr)
 }
+
diff --git a/test.sh b/test.sh
index a3ed39e8d2c..6db7219be6c 100755
--- a/test.sh
+++ b/test.sh
@@ -56,4 +56,4 @@ cd parity-clib-examples/cpp && \
 # Running tests
 echo "________Running Parity Full Test Suite________"
 git submodule update --init --recursive
-time cargo test  $OPTIONS --features "$FEATURES" --all $1 -- --test-threads 8
+time cargo test  $OPTIONS --features "$FEATURES" --all $1 -- --test-threads 4