Fix travis file

Author: mmolimar

.travis.yml

@@ -1,6 +1,10 @@
 before_install:
-  - git clone https://github.com/confluentinc/ksql.git && cd ksql && git checkout 0.1.x && mvn -pl '!ksql-cli' clean install -Dmaven.test.skip=true
+  - git clone https://github.com/confluentinc/ksql.git
+  - cd ksql
+  - git checkout 0.1.x
+  - mvn -pl '!ksql-cli' clean install -Dmaven.test.skip=true
+  - cd ..
 script:
-  - sbt clean coverage test coverageReport && sbt coverageAggregate
+  - sbt clean coverage test it:test coverageReport && sbt coverageAggregate
 after_success:
   - sbt coveralls