Update failing unit tests

- Add babel plugin to handle Jest import of SVG. Without plugin the
test fails with a require.context() is undefined
- Update snapshot tests that have changed
- Removed globals from .eslintrc.js that were needed prior to
migrating from Mocha and Chai to Jest

Signed-off-by: Derick Montague <derick.montague@ibm.com>
Change-Id: Ibd01d2e629b5ecb47d072e277e4e9b5ae5c5f001
diff --git a/package-lock.json b/package-lock.json
index c0a5a1d..6969381 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3682,6 +3682,15 @@
         "babel-types": "^6.26.0"
       }
     },
+    "babel-plugin-transform-require-context": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-require-context/-/babel-plugin-transform-require-context-0.1.1.tgz",
+      "integrity": "sha512-4ceqYOtzgmq4/QsB8dP7pUrUOCjY/jrRYdt7YkIOWHxtGDQbcf6YZDyLCiPQf6KsEIcIbSQiTRXOsbLiuJfgNQ==",
+      "dev": true,
+      "requires": {
+        "@babel/template": "7"
+      }
+    },
     "babel-plugin-transform-strict-mode": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz",