### Question:
TenantIdToDbName { public static String convertTenantIdToDbName(String tenantId) { if (tenantId != null) { return TENANT_ID_CACHE.getUnchecked(tenantId); } else { return tenantId; } }  static String convertTenantIdToDbName(String tenantId);  }### Answer:
@Test public void testConvertTenantIdToDbName() { Assert.assertEquals("7be07aaf460d593a323d0db33da05b64bfdcb3a5", TenantIdToDbName.convertTenantIdToDbName("ABCDE")); Assert.assertEquals("782a35eb5b9cd3e771047a60381e1274d76bc069", TenantIdToDbName.convertTenantIdToDbName("ABC.DE")); Assert.assertEquals("1072a2a56f16654387d030014968a48f04ca7488", TenantIdToDbName.convertTenantIdToDbName(" ABC DE ")); Assert.assertEquals("f89b39e01f5b1bb76655211472cd71274766070e", TenantIdToDbName.convertTenantIdToDbName("$ABCDE")); Assert.assertEquals("8e1cea182e0e0499fe1e0fe28e02d9ffb47ba098", TenantIdToDbName.convertTenantIdToDbName("ABC/DE")); }