fix framework unit tests

Signed-off-by: Francis <colifran@amazon.com>

packages/@aws-cdk/custom-resource-handlers/test/custom-resources-framework/expected/cdk-custom-resource-provider-core.ts

@@ -1,9 +1,7 @@
 /* eslint-disable prettier/prettier,max-len */
 import * as path from "path";
 import { Construct } from "constructs";
-import { Stack } from "../../lib/stack";
-import { CustomResourceProviderBase } from "../../lib/custom-resource-provider/custom-resource-provider-base";
-import { CustomResourceProviderOptions } from "../../lib/custom-resource-provider/shared";
+import { Stack, CustomResourceProviderBase, CustomResourceProviderOptions } from "../../lib";
 
 export class TestProvider extends CustomResourceProviderBase {
   /**

packages/@aws-cdk/custom-resource-handlers/test/custom-resources-framework/expected/cdk-singleton-function.ts

@@ -14,6 +14,9 @@ export class TestProvider extends lambda.SingletonFunction {
   }
 }
 
+/**
+ * Initialization properties for TestProvider
+ */
 export interface CdkSingletonFunctionProps extends lambda.FunctionOptions {
   /**
    * A unique identifier to identify this Lambda.