Bump matrix-react-test-utils for React 16 compatibility

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

package.json

@@ -148,7 +148,7 @@
     "karma-summary-reporter": "^1.5.1",
     "karma-webpack": "^4.0.0-beta.0",
     "matrix-mock-request": "^1.2.3",
-    "matrix-react-test-utils": "^0.1.1",
+    "matrix-react-test-utils": "^0.2.2",
     "mocha": "^5.0.5",
     "react-addons-test-utils": "^15.4.0",
     "require-json": "0.0.1",