fix tests for core plugins

scm-ui/scripts/babelPluginTransformer.js

@@ -0,0 +1,16 @@
+/**
+ * Read and use .babelrc from packages
+ */
+const path = require("path");
+const { createTransformer } = require("babel-jest");
+
+const packagePath = path.resolve(__dirname, "../");
+const packageGlob = path.join(packagePath, "*");
+const currentDirectory = path.join(process.cwd());
+
+module.exports = createTransformer({
+  babelrcRoots: [
+    packageGlob,
+    currentDirectory
+  ]
+});