Make apt-get be quiet in the integration test

.taskcluster.yml

@@ -437,8 +437,8 @@ tasks:
                 git -c advice.detachedHead=false checkout ${head_rev} &&
                 pip install --disable-pip-version-check --quiet --no-cache-dir . &&
                 pip install --disable-pip-version-check --quiet --no-cache-dir -r test-requirements.txt &&
-                apt-get update &&
-                apt-get install -y redis-server &&
+                apt-get -qq update &&
+                apt-get -qq install -y redis-server &&
                 python -c 'import os; print(os.environ.keys())' &&
                 bash ./scripts/integration_test.sh"
             cache:

infra/data-pipeline.yml

@@ -745,8 +745,8 @@ tasks:
             git checkout ${version} &&
             pip install --quiet . &&
             pip install --quiet -r test-requirements.txt &&
-            apt-get update &&
-            apt-get install -y redis-server &&
+            apt-get -qq update &&
+            apt-get -qq install -y redis-server &&
             python -c 'import os; print(os.environ.keys())' &&
             bash ./scripts/integration_test.sh"
         cache: