feat(IDX): allow tests to depend on mainnet pocket-ic #12050

Job	Run time
Bazel Build All Config Check	10m 53s
Bazel Test All	31m 39s
Bazel Build Fuzzers	1m 26s
Bazel Test macOS Intel	0s
Bazel Build Fuzzers AFL	8m 18s
Build IC	13m 4s
Cargo Build Release Linux	9s
Cargo Clippy Linux	9s
Python CI Tests	1m 22s
Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	15s
Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	15s
Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	17s
Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	15s
Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	13s
	1h 8m 15s

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