Simplify code coverage submission. (#38)

.travis.yml

@@ -14,8 +14,10 @@ branches:
     - master
     - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
 after_success:
-  - julia --project=test/coverage -e 'using Pkg; Pkg.instantiate()'
-  - julia --project=test/coverage test/coverage/coverage.jl
+  - if [[ $TRAVIS_JULIA_VERSION = 1.0 ]] && [[ $TRAVIS_OS_NAME = linux ]]; then
+      julia --project=test/coverage -e 'using Pkg; Pkg.instantiate();
+          using Coverage; Codecov.submit(Codecov.process_folder())';
+    fi
 jobs:
   include:
     - stage: Documentation

test/coverage/coverage.jl

@@ -3,7 +3,4 @@ get(ENV, "TRAVIS_OS_NAME", nothing)       == "linux" || exit(0)
 get(ENV, "TRAVIS_JULIA_VERSION", nothing) == "1.0"   || exit(0)
 
 using Coverage
-
-cd(joinpath(@__DIR__, "..", "..")) do
 Codecov.submit(Codecov.process_folder())
-end