Tests

feat(testcontainers): refactor vshard and cartridge testcontainers #200

Job	Run time
tests-crud-integration (3.5.0)	26m 18s
tests-unit	5m 5s
tests-crud-integration (2.11.8-ubuntu20.04)	23m 3s
tests-box-integration (3.5.0)	17m 6s
tests-box-integration (2.11.8-ubuntu20.04)	18m 39s
	1h 30m 11s

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