Don't attempt to run openmw_test_suite on coverity scan branch, since it is not being built

.travis.yml

@@ -40,8 +40,8 @@ script:
  - cd ./build
  - if [ "$COVERITY_SCAN_BRANCH" != 1 ]; then ${ANALYZE}make -j2; fi
  - if [ "$COVERITY_SCAN_BRANCH" != 1 ] && [ "${TRAVIS_OS_NAME}" = "osx" ]; then make package; fi
- - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then ./openmw_test_suite; fi
- - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then cd .. && ./CI/check_tabs.sh; fi
+ - if [ "$COVERITY_SCAN_BRANCH" != 1 ] && ["${TRAVIS_OS_NAME}" = "linux" ]; then ./openmw_test_suite; fi
+ - if [ "$COVERITY_SCAN_BRANCH" != 1 ] && ["${TRAVIS_OS_NAME}" = "linux" ]; then cd .. && ./CI/check_tabs.sh; fi
 notifications:
   recipients:
     - corrmage+travis-ci@gmail.com