test/nvmf: make sure non-zero returns fail tests

Add 'set -e' to all nvmf test scripts.

Change-Id: I8271268a4b82335adf07719f4bde13e9086b5a77
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>

test/nvmf/discovery/discovery.sh

@@ -12,6 +12,8 @@ fi
 
 rdma_device_init
 
+set -e
+
 timing_enter discovery
 
 # Start up the NVMf target in another process

test/nvmf/filesystem/filesystem.sh

@@ -33,6 +33,8 @@ function filesystem_test()
 
 rdma_device_init
 
+set -e
+
 timing_enter fs_test
 
 # Start up the NVMf target in another process

test/nvmf/fio/fio.sh

@@ -7,6 +7,8 @@ source $rootdir/test/nvmf/common.sh
 
 rdma_device_init
 
+set -e
+
 timing_enter fio
 
 # Start up the NVMf target in another process