Use existing fake mocha types

Author: dgieselaar

packages/kbn-test/src/functional_test_runner/fake_mocha_types.d.ts

@@ -28,10 +28,17 @@ import EventEmitter from 'events';
 export interface Suite {
   suites: Suite[];
   tests: Test[];
+  title: string;
+  file?: string;
+  parent?: Suite;
 }
 
 export interface Test {
   fullTitle(): string;
+  title: string;
+  file?: string;
+  parent?: Suite;
+  isPassed: () => boolean;
 }
 
 export interface Runner extends EventEmitter {

packages/kbn-test/src/functional_test_runner/lib/snapshots/decorate_snapshot_ui.ts

@@ -29,7 +29,7 @@ import prettier from 'prettier';
 import babelTraverse from '@babel/traverse';
 import { flatten, once } from 'lodash';
 import { Lifecycle } from 'packages/kbn-test/types/ftr';
-import { Suite, Test } from './mocha_types';
+import { Mocha, Suite, Test } from '../../fake_mocha_types';
 
 type ISnapshotState = InstanceType<typeof SnapshotState>;