diff --git a/tests/lib/rules/no-typos.js b/tests/lib/rules/no-typos.js
index bd4bfc5..a1229cc 100644
--- a/tests/lib/rules/no-typos.js
+++ b/tests/lib/rules/no-typos.js
@@ -847,5 +847,49 @@ ruleTester.run('no-typos', rule, {
     }, {
       message: 'Typo in prop type chain qualifier: isrequired'
     }]
+  }, {
+    code: `
+      import React from 'react';
+      import PropTypes from 'prop-types';
+      const Component = React.createClass({
+        propTypes: {
+          a: PropTypes.string.isrequired,
+          b: PropTypes.shape({
+            c: PropTypes.number
+          }).isrequired
+        }
+      });
+    `,
+    parser: 'babel-eslint',
+    parserOptions: parserOptions,
+    errors: [{
+      message: 'Typo in prop type chain qualifier: isrequired'
+    }, {
+      message: 'Typo in prop type chain qualifier: isrequired'
+    }]
+  }, {
+    code: `
+      import React from 'react';
+      import PropTypes from 'prop-types';
+      const Component = React.createClass({
+        childContextTypes: {
+          a: PropTypes.bools,
+          b: PropTypes.Array,
+          c: PropTypes.function,
+          d: PropTypes.objectof,
+        }
+      });
+    `,
+    parser: 'babel-eslint',
+    parserOptions: parserOptions,
+    errors: [{
+      message: 'Typo in declared prop type: bools'
+    }, {
+      message: 'Typo in declared prop type: Array'
+    }, {
+      message: 'Typo in declared prop type: function'
+    }, {
+      message: 'Typo in declared prop type: objectof'
+    }]
   }]
 });