factoring out coverage scripts so that mocha with ts-node can work wi…

…th vscode debugger

sdk/core/core-arm/package.json

@@ -87,7 +87,9 @@
     "test": "npm run build && npm run unit-test && npm run integration-test",
     "unit-test": "npm run unit-test:node && npm run unit-test:browser",
     "unit-test:browser": "echo skipped",
-    "unit-test:node": "nyc mocha --require ts-node/register --timeout 50000 --reporter ../../../common/tools/mocha-multi-reporter.js --colors \"test/**/*.ts\"",
+    "unit-test:node": "mocha --require ts-node/register --timeout 50000 --reporter ../../../common/tools/mocha-multi-reporter.js --colors \"test/**/*.ts\"",
+    "cover:unit:node": "nyc npm run unit-test:node",
+    "cover:report": "nyc report --reporter=lcov --reporter=text",
     "pack": "npm pack 2>&1",
     "prebuild": "npm run clean"
   },

sdk/core/core-http/package.json

@@ -91,7 +91,9 @@
     "test": "npm run build:test && npm run unit-test && npm run integration-test",
     "unit-test": "npm run unit-test:node && npm run unit-test:browser",
     "unit-test:browser": "node ./node_modules/karma/bin/karma start karma.conf.ts --browsers ChromeNoSecurity --single-run",
-    "unit-test:node": "cross-env TS_NODE_FILES=true nyc mocha --require ts-node/register --timeout 50000 --reporter ../../../common/tools/mocha-multi-reporter.js --colors --exclude \"test/**/*.browser.ts\" \"test/**/*.ts\"",
+    "unit-test:node": "cross-env TS_NODE_FILES=true mocha --require ts-node/register --timeout 50000 --reporter ../../../common/tools/mocha-multi-reporter.js --colors --exclude \"test/**/*.browser.ts\" \"test/**/*.ts\"",
+    "cover:unit:node": "nyc npm run unit-test:node",
+    "cover:report": "nyc report --reporter=lcov --reporter=text",
     "check:packagejsonversion": "ts-node ./.scripts/checkPackageJsonVersion.ts",
     "check:foronlycalls": "ts-node ./.scripts/checkForOnlyCalls.ts",
     "check:everything": "ts-node ./.scripts/checkEverything.ts",