use child wallet when executing spec tests #275

Job	Run time
Run code checks / Run code checks	54s
Generate project documentation	6s
Build Assertoor / Build linux/amd64 binary	28s
Build Assertoor / Build macos/amd64 binary	34s
Build Assertoor / Build macos/arm64 binary	33s
Build Assertoor / Build linux/arm64 binary	1m 41s
Build Assertoor / Build windows/amd64 binary	3m 5s
Build Assertoor / Build amd64 docker image	26s
Build Assertoor / Build arm64 docker image	1m 52s
Build Assertoor / Build multiarch docker image	8s
Build Assertoor / Build additional docker manifests (master)	10s
Build Assertoor / Build additional docker manifests (master-latest)	13s
Create snapshot release	21s
	10m 31s

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