Refactor test setup, add interface to write DIDs on ledger #5596

Job	Run time
clippy-aries-vcx	45s
clippy-libvcx	52s
check-did-resolver-feature-variants	53s
check-aries-vcx-feature-variants	50s
verify-code-formatting	17s
workflow-setup	33s
workflow-setup-check	1s
build-docker-android	1s
build-docker-alpine-core	2s
code-coverage-aries-vcx-integration-modular-libs	1s
test-integration-aries-vcx-migration	1s
test-integration-aries-vcx (vdrtools)	2s
test-integration-aries-vcx (modular_libs)	2s
test-integration-aries-vcx-mysql	1s
test-integration-libvcx (anoncreds_vdrtools)	2s
test-integration-libvcx (anoncreds_credx)	1s
test-unit-workspace (anoncreds_vdrtools)	1s
test-unit-workspace (anoncreds_credx)	2s
test-integration-libvcx-c (anoncreds_vdrtools)	1s
test-integration-libvcx-c (anoncreds_credx)	1s
test-integration-resolver	1s
build-and-publish-ubuntu-lib	1s
build-and-publish-darwin-lib	1s
x86_64-unknown-linux-gnu	1s
x86_64-unknown-linux-musl	1s
x86_64-apple-darwin	1s
aarch64-apple-darwin	1s
test-integration-node-wrapper (18.x)	1s
test-node-wrapper (18.x)	1s
build-docker-libvcx	1s
build-docker-vdrproxy	1s
publish-docker-libvcx	1s
publish-docker-vdrproxy	1s
make-release	1s
publish-napi	1s
publish-node-wrapper	1s
publish-agent-core	1s
	4m 46s

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