Use rdf-test-suite for spec testing

Author: rubensworks

.gitignore

@@ -3,5 +3,6 @@
 docs
 browser/n3*
 node_modules
-spec/*/*
+spec/*.ttl
 coverage
+.rdf-test-suite-cache

.travis.yml

@@ -6,28 +6,6 @@ node_js:
  - "node"
 env:
  - DEFAULT_NODE_VERSION=10
-addons:
-  apt:
-    sources:
-    - boost-latest
-    packages:
-    # for SWObjects
-    - libboost-all-dev
-    - uuid-dev
-before_script:
-  - | # Build SWObjects for spec tests
-    if [ ! -e swobjects/bin/sparql ]; then
-      rm -rf swobjects
-      git clone https://github.com/ericprud/SWObjects.git swobjects
-      pushd swobjects
-      git checkout 1739b95536d2b7bf516f5543a6cf7e5c46a9a4f9
-      sed -i 's/^SQL_CLIENTS=.*/SQL_CLIENTS= MYSQL /' CONFIG
-      sed -i 's/^CRYPTLIB=.*/LDFLAGS += -lltdl -ldl/' CONFIG
-      make -j2 bin/sparql
-      popd
-    fi
-  - PATH=$PATH:swobjects/bin
-  - sparql -v
 script:
   - npm run lint
   - npm test
@@ -41,10 +19,7 @@ after_success:
       ./.travis_build_pages;
     fi
 cache:
-  apt: true
   directories:
     - node_modules
-    - swobjects
-    - spec/turtle
-    - spec/trig
+    - .rdf-test-suite-cache
 sudo: false