Merge pull request #28 from core-coin/tests/provider #66

Job	Run time
docs	1m 8s
clippy	32s
cfg-check	58s
doctest	52s
feature-checks	44s
fmt	16s
no-std	32s
test ubuntu-latest stable --no-default-features	1m 9s
wasm-unknown	26s
wasm-wasi	1m 35s
test ubuntu-latest stable	1m 14s
test ubuntu-latest nightly --no-default-features	1m 32s
test ubuntu-latest nightly	1m 52s
test ubuntu-latest 1.76 --no-default-features	44s
test ubuntu-latest 1.76	32s
test windows-latest stable --no-default-features	5m 8s
test windows-latest stable	3m 55s
test windows-latest nightly --no-default-features	4m 34s
test windows-latest nightly	5m 1s
test windows-latest 1.76 --no-default-features	2m 42s
test windows-latest 1.76	2m 37s
test ubuntu-latest stable --all-features	53s
test ubuntu-latest nightly --all-features	1m 17s
	40m 13s

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