Update .gitlab-ci.yml

Author: ChrisRackauckas

.gitlab-ci.yml

@@ -22,7 +22,7 @@ build:
     - export PATH="$(pwd)/julia-1.1.1/bin:$PATH"
     - julia -e "using InteractiveUtils;
                 versioninfo()"
-    - julia --project -e "using Pkg; Pkg.build(); Pkg.test(); using SparseDiffTools"
+    - julia --project -e "using Pkg; Pkg.build(); using SparseDiffTools"
   only:
   - master
   - tags