Put the CuArrays testing in GitLab CI config.

Author: maleadt

.gitlab-ci.yml

@@ -1,5 +1,5 @@
 variables:
-  CI_IMAGE_TAG: 'cuda'
+  CI_IMAGE_TAG: 'plain'
 
 stages:
   - test
@@ -36,3 +36,17 @@ coverage:
     - master
     - staging
     - trying
+
+cuarrays:
+  stage: test
+  image: "juliagpu/julia:v1.0-cuda"
+  script:
+    - mkdir $JULIA_DEPOT_PATH # Pkg3.jl#325
+    - julia -e 'using Pkg;
+                Pkg.develop(PackageSpec(path=pwd()));
+                Pkg.add(PackageSpec(name="CuArrays", rev="master"));
+                Pkg.test("CuArrays");'
+  only:
+    - master
+    - staging
+    - trying

test/runtests.jl

@@ -10,10 +10,3 @@ using GPUArrays, Test
 @testset "JLArray" begin
     GPUArrays.test(JLArray)
 end
-
-if haskey(ENV, "GITLAB_CI")
-    Pkg.add(PackageSpec(name="CuArrays", rev="master"))
-    @testset "CuArray" begin
-        Pkg.test("CuArrays")
-    end
-end