Disabled DevTools tests from yarn-build target

scripts/jest/config.build.js

@@ -37,6 +37,10 @@ packages.forEach(name => {
 module.exports = Object.assign({}, baseConfig, {
   // Redirect imports to the compiled bundles
   moduleNameMapper,
+  modulePathIgnorePatterns: [
+    ...baseConfig.modulePathIgnorePatterns,
+    'packages/react-devtools-shared',
+  ],
   // Don't run bundle tests on -test.internal.* files
   testPathIgnorePatterns: ['/node_modules/', '-test.internal.js$'],
   // Exclude the build output from transforms