fail on virtualenv setup, fix cov test run on travis

install.sh

@@ -58,8 +58,8 @@ venv_setup ()
         return 0
     fi
     rm -rf "${jm_source}/deps"
-    virtualenv -p python2 "${jm_source}/jmvenv"
-    source "${jm_source}/jmvenv/bin/activate"
+    virtualenv -p python2 "${jm_source}/jmvenv" || return 1
+    source "${jm_source}/jmvenv/bin/activate" || return 1
     pip install --upgrade pip
     pip install --upgrade setuptools
     deactivate
@@ -276,6 +276,7 @@ main ()
     fi
     if ! venv_setup; then
         echo "Joinmarket virtualenv could not be setup. Exiting."
+        return 1
     fi
     source "${jm_root}/bin/activate"
     mkdir -p deps

test/run_tests.sh

@@ -45,7 +45,7 @@ run_jm_tests ()
     cp -f ./test/bitcoin.conf "${jm_test_datadir}/bitcoin.conf"
     ${orig_umask}
     echo "datadir=${jm_test_datadir}" >> "${jm_test_datadir}/bitcoin.conf"
-    python -m py.test ${HAS_JOSH_K_SEAL_OF_APPROVAL+'--cov=jmclient --cov=jmbitcoin --cov=jmbase --cov=jmdaemon --cov-report html'} --btcpwd=123456abcdef --btcconf=${jm_test_datadir}/bitcoin.conf --btcuser=bitcoinrpc --nirc=2 --ignore jmclient/test/test_wallets.py --ignore test/test_segwit.py
+    python -m py.test ${HAS_JOSH_K_SEAL_OF_APPROVAL+--cov=jmclient --cov=jmbitcoin --cov=jmbase --cov=jmdaemon --cov-report html} --btcpwd=123456abcdef --btcconf=${jm_test_datadir}/bitcoin.conf --btcuser=bitcoinrpc --nirc=2 --ignore jmclient/test/test_wallets.py --ignore test/test_segwit.py
     unlink ./joinmarket.cfg
     if read bitcoind_pid <"${jm_test_datadir}/bitcoind.pid"; then
         pkill -15 ${bitcoind_pid} || pkill -9 ${bitcoind_pid}