tests: Disable code coverage

Author: moreati

.ci/azure-pipelines-steps.yml

@@ -37,3 +37,5 @@ steps:
 
 - script: .ci/$(MODE)_tests.py
   displayName: "Run $(MODE)_tests.py"
+  env:
+    NOCOVERAGE: 1

.travis.yml

@@ -16,6 +16,9 @@ cache:
 - directories:
   - /home/travis/virtualenv
 
+env:
+  - NOCOVERAGE=1
+
 install:
 - grep -Erl git-lfs\|couchdb /etc/apt | sudo xargs rm -v
 - .ci/${MODE}_install.py