tests

Add query_exchange_rate #2092

Job	Run time
Actions - clippy	34s
Actions - unit tests coverage	4m 59s
Actions - images prepare	24s
Actions - artifacts prepare	6m 39s
Actions - integration tests lint	15s
Actions - rustfmt	8s
Actions - unit test	1m 24s
test:auto-withdrawer Integration Tests	15m 35s
test:distribution Integration Tests	1m 20s
test:core Integration Tests	19m 3s
test:core:slashing Integration Tests	19m 21s
test:gv Integration Tests	30s
test:initia Integration Tests	9m 53s
test:mirror Integration Tests	5m 38s
test:pump Integration Tests	3m 43s
test:pump-multi Integration Tests	7m 21s
test:splitter Integration Tests	1m 36s
test:validator-set Integration Tests	1m 39s
test:validators-stats Integration Tests	3m 16s
	1h 43m 18s

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