fix(root pkg-common): coverage data for global was not found

fix an issue related to jestjs/jest#6563

Author: narr

Diff for: config/jest/jest.config.js

@@ -1,7 +1,7 @@
 const commonConfig = require('../../packages/narr-material-ui-common');
 
 module.exports = commonConfig.getJestConfig({
-  testRootDir: './packages',
+  testRootDir: 'packages',
   tsConfigFile: './tsconfig.json',
-  collectCoverageFromRootDir: './packages/**/src',
+  collectCoverageFromRootDir: 'packages/**/src',
 });

Diff for: config/jest/jest.config.prod.js

@@ -4,9 +4,9 @@ let config;
 const target = process.env.JEST_TARGET;
 if (target === 'core') {
   config = {
-    testRootDir: './packages/narr-material-ui-core',
+    testRootDir: 'packages/narr-material-ui-core',
     tsConfigFile: './tsconfig.json',
-    collectCoverageFromRootDir: './packages/narr-material-ui-core/src',
+    collectCoverageFromRootDir: 'packages/narr-material-ui-core/src',
     coverageDirectory: './docs/narr-material-ui-core/coverage',
     htmlReporterOutputPath:
       './docs/narr-material-ui-core/test-result/index.html',

Diff for: packages/narr-material-ui-common/config/jest/jest.config.js

@@ -1,7 +1,7 @@
 module.exports = ({
   rootDir = '../../',
-  testRootDir = './src',
-  collectCoverageFromRootDir = './src',
+  testRootDir = 'src',
+  collectCoverageFromRootDir = 'src',
   tsConfigFile = './node_modules/narr-material-ui-common/config/tsconfig.json',
 } = {}) => {
   const config = {