drop valgrind from .travis.yml to avoid timing out

.travis.yml

@@ -1,62 +1,62 @@
 # R for travis: see documentation at https://docs.travis-ci.com/user/languages/r
 
-# with valgrind; check only with R-devel in case it takes long.
-#    Using '60' in travis_wait is porbably beyond the allowed limit
-#    (the job is cancelled after about 60 minutes)
+## check with --use-valgrind - this timeouts on travis unless some tests are removed
+## 
+## # with valgrind; check only with R-devel in case it takes long.
+## #    Using '60' in travis_wait is probably beyond the allowed limit
+## #    (the job is cancelled after about 50 minutes)
+## #
+## language: r
+## cache: packages
+## 
+## r_github_packages: GeoBosh/lagged
+## r_check_args: '--as-cran --use-valgrind'
+## 
+## addons:
+##   apt:
+##     packages:
+##       - valgrind
+## 
+## env:
+##   - VALGRIND_OPTS='--leak-check=full
+## #  - VALGRIND_OPTS='--leak-check=full --track-origins=yes'
+## 
+## matrix:
+##   include:
+##     - os: linux
+##       r: devel
+## 
+## after_failure:
+##   find *Rcheck -name '*.fail' -print -exec cat '{}' \;
+## 
+## script: 
+##   - R CMD build --no-build-vignettes .
+##   - travis_wait 60 R CMD check --no-build-manual --no-examples --no-build-vignettes --as-cran --use-valgrind sarima*.tar.gz
+
+
+# All tests with all OS-es
 #
 language: r
 cache: packages
+latex: true
 
-r_github_packages: GeoBosh/lagged
-r_check_args: '--as-cran --use-valgrind'
+r_github_packages:
+  - r-lib/covr
 
-addons:
-  apt:
-    packages:
-      - valgrind
-
-env:
-  - VALGRIND_OPTS='--leak-check=full
-#  - VALGRIND_OPTS='--leak-check=full --track-origins=yes'
+after_success:
+  - Rscript -e 'covr::coveralls()'
 
 matrix:
   include:
+    - os: linux
+      r: release
     - os: linux
       r: devel
-
-after_failure:
-  find *Rcheck -name '*.fail' -print -exec cat '{}' \;
-
-script: 
-  - R CMD build --no-build-vignettes .
-  - travis_wait 60 R CMD check --no-build-manual --no-examples --no-build-vignettes --as-cran --use-valgrind sarima*.tar.gz
-
-
-# Alternative variants below, commented out
-
-# # All tests with all OS-es
-# #
-# language: r
-# cache: packages
-# latex: true
-# 
-# r_github_packages:
-#   - r-lib/covr
-# 
-# after_success:
-#   - Rscript -e 'covr::coveralls()'
-# 
-# matrix:
-#   include:
-#     - os: linux
-#       r: release
-#     - os: linux
-#       r: devel
-#     - os: linux
-#       dist: trusty
-#       env: R_CODECOV=true
-#     - os: osx
-#       osx_image: xcode8.3
+    - os: linux
+      dist: trusty
+      env: R_CODECOV=true
+    - os: osx
+      osx_image: xcode8.3
 
 
 # # Alternatively, run several 'R CMD check' with different arguments.
@@ -66,15 +66,3 @@ script:
 #   - R CMD build .
 #   - R CMD check --no-manual --no-tests --as-cran --use-valgrind sarima*.tar.gz
 #   - travis_wait 60 R CMD check --no-manual --no-examples --no-build-vignettes --as-cran --use-valgrind sarima*.tar.gz
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