Fix test flake introduced by changes to MockLink

[jerelmiller]

Fixes the annoying test flake that shows up from time to time by resetting the delay back to the old default value of 0

[changeset-bot]

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Latest commit: d97f8a5

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[svc-apollo-docs]

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Build ID: 5601aee481ea18ae0d4625b7

[pkg-pr-new]

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commit: d97f8a5

[github-actions]

size-limit report 📦

Path	Size
import { ApolloClient, InMemoryCache, HttpLink } from "@apollo/client" (CJS)	41.96 KB (0%)
import { ApolloClient, InMemoryCache, HttpLink } from "@apollo/client" (production) (CJS)	37.55 KB (0%)
import { ApolloClient, InMemoryCache, HttpLink } from "@apollo/client"	32.14 KB (0%)
import { ApolloClient, InMemoryCache, HttpLink } from "@apollo/client" (production)	27.19 KB (0%)
import { ApolloProvider } from "@apollo/client/react"	5.12 KB (0%)
import { ApolloProvider } from "@apollo/client/react" (production)	962 B (0%)
import { useQuery } from "@apollo/client/react"	10.82 KB (0%)
import { useQuery } from "@apollo/client/react" (production)	6.61 KB (0%)
import { useLazyQuery } from "@apollo/client/react"	6.3 KB (0%)
import { useLazyQuery } from "@apollo/client/react" (production)	2.13 KB (0%)
import { useMutation } from "@apollo/client/react"	5.71 KB (0%)
import { useMutation } from "@apollo/client/react" (production)	1.53 KB (0%)
import { useSubscription } from "@apollo/client/react"	6.01 KB (0%)
import { useSubscription } from "@apollo/client/react" (production)	1.83 KB (0%)
import { useSuspenseQuery } from "@apollo/client/react"	7.77 KB (0%)
import { useSuspenseQuery } from "@apollo/client/react" (production)	3.57 KB (0%)
import { useBackgroundQuery } from "@apollo/client/react"	7.57 KB (0%)
import { useBackgroundQuery } from "@apollo/client/react" (production)	3.42 KB (0%)
import { useLoadableQuery } from "@apollo/client/react"	7.59 KB (0%)
import { useLoadableQuery } from "@apollo/client/react" (production)	3.44 KB (0%)
import { useReadQuery } from "@apollo/client/react"	5.79 KB (0%)
import { useReadQuery } from "@apollo/client/react" (production)	1.62 KB (0%)
import { useFragment } from "@apollo/client/react"	5.84 KB (0%)
import { useFragment } from "@apollo/client/react" (production)	1.68 KB (0%)

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