Include tests in travis builds (#44)

* Include tests in travis

* Update .travis.yml

* Update .travis.yml

* Update build.gradle

* Add test exclusion property

* Exclude ZooModel tests in travis build

ZooModel tests got OOM on travis build server

Author: braun-steven

.travis.yml

@@ -13,4 +13,4 @@ cache:
     - $HOME/.gradle/wrapper/
 
 script:
-- ./gradlew build -x test
+- ./gradlew build -PexcludeTests=**/ZooModelTest*

build.gradle

@@ -302,6 +302,16 @@ dependencies {
     }
 }
 
+test {
+    testLogging {
+        events "passed", "skipped", "failed"
+    }
+    
+    if (project.hasProperty('excludeTests')) { 
+        exclude project.property('excludeTests')
+    }
+}
+
 /*
  * Specify repositories to get the dependencies from
  */