revert ci tweaks

+ increase code coverage limit to 80%
+ remove jest --nocache for local and add it only for ci

.travis.yml

@@ -17,7 +17,7 @@ before_script:
   - yarn build
 
 script:
-  - yarn coverage
+  - yarn coverage --no-cache
 
 after_success:
   - yarn coverage-ci

appveyor.yml

@@ -29,4 +29,4 @@ before_test:
 test_script:
   - node --version
   - yarn --version
-  - yarn test
+  - yarn test --no-cache

codecov.yml

@@ -5,6 +5,6 @@ coverage:
   status:
     project:
       default:
-        target: "70%"
+        target: "80%"
     patch:
       enabled: false

package.json

@@ -7,13 +7,13 @@
     "build": "gulp build",
     "changelog": "lerna-changelog",
     "clean": "lerna clean",
-    "coverage": "jest --coverage --maxWorkers=4 --no-cache",
+    "coverage": "yarn test --coverage",
     "coverage-ci": "codecov -f coverage/coverage-final.json",
     "fix": "eslint --fix .",
     "lint": "eslint .",
     "publish": "git pull origin master --rebase && npm run build && npm test && lerna publish",
     "publish-master": "lerna publish -c --yes -m 'chore(canary): publish %s'",
-    "test": "jest --maxWorkers=4 --no-cache",
+    "test": "jest",
     "test-ci": "npm run bootstrap && npm run build && npm run coverage",
     "updated": "lerna updated",
     "watch": "gulp watch"