diff --git a/scripts/integration-tests/e2e-babel.sh b/scripts/integration-tests/e2e-babel.sh
index d295a9416c..f73b75f95b 100755
--- a/scripts/integration-tests/e2e-babel.sh
+++ b/scripts/integration-tests/e2e-babel.sh
@@ -5,7 +5,7 @@
 #==============================================================================#
 
 # Start in scripts/integration-tests/ even if run from root directory
-cd "$(dirname "$0")"
+cd "$(dirname "$0")" || exit
 
 source utils/local-registry.sh
 source utils/cleanup.sh
diff --git a/scripts/integration-tests/e2e-create-react-app.sh b/scripts/integration-tests/e2e-create-react-app.sh
index e589ec12fe..1c956f240c 100755
--- a/scripts/integration-tests/e2e-create-react-app.sh
+++ b/scripts/integration-tests/e2e-create-react-app.sh
@@ -5,7 +5,7 @@
 #==============================================================================#
 
 # Start in scripts/integration-tests/ even if run from root directory
-cd "$(dirname "$0")"
+cd "$(dirname "$0")" || exit
 
 source utils/local-registry.sh
 source utils/cleanup.sh
@@ -14,8 +14,8 @@ source utils/cleanup.sh
 set -x
 
 # Clone create-react-app
-git clone https://github.com/facebook/create-react-app.git tmp/create-react-app
-cd tmp/create-react-app
+git clone --depth=1 https://github.com/facebook/create-react-app.git tmp/create-react-app
+cd tmp/create-react-app || exit
 
 #==============================================================================#
 #                                   TEST                                       #
@@ -25,7 +25,7 @@ startLocalRegistry "$PWD"/../../verdaccio-config.yml
 yarn install
 # "yarn upgrade --scope @babel --latest" doesn't seem to work.
 # a means "all", while \n is the enter needed to confirm the selection.
-echo "a\n" | yarn upgrade-interactive --scope @babel --latest
+printf "a\n" | yarn upgrade-interactive --scope @babel --latest
 
 # Test
 CI=true yarn test
diff --git a/scripts/integration-tests/publish-local.sh b/scripts/integration-tests/publish-local.sh
index 8a77d31cb5..c2e16da375 100755
--- a/scripts/integration-tests/publish-local.sh
+++ b/scripts/integration-tests/publish-local.sh
@@ -15,7 +15,7 @@ function publishESLintPkg {
   cd eslint/$1
   yarn version --patch --no-git-tag-version
   cd ../..
-  make publish-eslint PKG=$1
+  make -j publish-eslint PKG=$1
 }
 
 # Echo every command being executed
@@ -30,7 +30,7 @@ initializeE2Egit
 #                                 PUBLISH                                      #
 #==============================================================================#
 
-make bootstrap-only
+make -j bootstrap-only
 
 startLocalRegistry "$PWD"/scripts/integration-tests/verdaccio-config.yml
 loginLocalRegistry