chore: enable verbose logs in it setup

Author: diegomarquezp

.kokoro/build.sh

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-set -eo pipefail
+set -exo pipefail
 
 ## Get the directory of the build script
 scriptDir=$(realpath $(dirname "${BASH_SOURCE[0]}"))