Run additional tests on Travis CI

Author: ethanhann

.travis.yml

@@ -7,4 +7,7 @@ cache: apt
 script:
   - xbuild /p:Configuration=Release IntegrationEngine.sln
   - mono ./packages/NUnit.Runners.2.6.4/tools/nunit-console.exe ./IntegrationEngine.Model.Tests/bin/Release/IntegrationEngine.Model.Tests.dll
+  - mono ./packages/NUnit.Runners.2.6.4/tools/nunit-console.exe ./IntegrationEngine.Core.Tests/bin/Release/IntegrationEngine.Core.Tests.dll
   - mono ./packages/NUnit.Runners.2.6.4/tools/nunit-console.exe ./IntegrationEngine.Tests/bin/Release/IntegrationEngine.Tests.dll
+  - mono ./packages/NUnit.Runners.2.6.4/tools/nunit-console.exe ./IntegrationEngine.Client.Tests/bin/Release/IntegrationEngine.Client.Tests.dll
+