Increase script verbosity to debug failures.

Change-Id: I0d5b4b24cff080571c70fd265fbc164742e4cc5b

nexus-non-interactive-test.sh

diff --git a/nexus-non-interactive-test.sh b/nexus-non-interactive-test.sh
index c67d94c..c60b67c 100755
--- a/nexus-non-interactive-test.sh
+++ b/nexus-non-interactive-test.sh
@@ -15,7 +15,7 @@
 # limitations under the License.
 
 # Run a test on the nexus FPGA platform
-set -e
+set -ex
 
 BITSTREAM_PATH="$1"
 BINARY_PATH="$2"