amazing chai error

gistfile1.txt

```
        ✖ rejects after timeout
          HeadlessChrome 0.0.0 (Mac OS X 10.12.6)
        TypeError: { __flags: 
           { ssfi: [Function: proxyGetter],
             lockSsfi: undefined,
             object: {},
             message: undefined },
          assert: [Function],
          __methods: 
           { an: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             a: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             include: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             contain: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             contains: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             includes: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             length: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             lengthOf: 
              { method: [Function: overwritingChainableMethodWrapper],
                chainingBehavior: [Function: overwritingChainableMethodGetter] },
             exactly: 
              { method: [Function],
                chainingBehavior: [Function: chainingBehavior] } },
          equal: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          equals: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          eq: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          eql: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          eqls: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          above: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          gt: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          greaterThan: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          least: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          gte: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          below: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          lt: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          lessThan: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          most: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          lte: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          within: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          instanceof: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          instanceOf: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          property: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          ownProperty: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          haveOwnProperty: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          ownPropertyDescriptor: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          haveOwnPropertyDescriptor: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          match: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          matches: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          string: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          keys: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          key: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          throw: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          throws: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          Throw: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          respondTo: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          respondsTo: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          satisfy: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          satisfies: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          closeTo: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          approximately: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          members: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          oneOf: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          change: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          changes: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          increase: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          increases: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          decrease: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          decreases: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          by: { [Function: overwritingMethodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          rejectedWith: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          notify: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          become: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          attr: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          data: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          style: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          state: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          prop: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          props: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          checked: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          className: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          disabled: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          id: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          selected: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          value: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          descendants: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          ref: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          html: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          tagName: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          text: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          type: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          blank: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          present: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          containMatchingElement: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          callCount: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledBefore: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledAfter: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledImmediatelyBefore: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledImmediatelyAfter: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledOn: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledWith: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledWithExactly: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          calledWithMatch: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          returned: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } },
          thrown: { [Function: methodWrapper] __flags: { ssfi: [Function: proxyGetter] } } } is not a thenable.
            at assertIsAboutPromise (spec/tests.jsx:121955:19)
            at Proxy.<anonymous> (spec/tests.jsx:121970:13)
            at Proxy.methodWrapper (node_modules/chai/chai.js:7587:25)
            at Context.<anonymous> (spec/tests.jsx:135245:42)
```