Add retry mechanism to getLatestBlock

Author: lealobanov

kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/AccessAPIConnectorTest.kt

@@ -15,7 +15,6 @@ import java.math.BigDecimal
 
 @FlowEmulatorProjectTest(flowJsonLocation = "../flow/flow.json")
 internal class AccessAPIConnectorTest {
-
     // user key pairs using all supported signing algorithms
     private val userKeyPairs = arrayOf(
         Crypto.generateKeyPair(SignatureAlgorithm.ECDSA_P256),
@@ -63,7 +62,6 @@ internal class AccessAPIConnectorTest {
         accessAPIConnector.transferTokens(sender, to, amount)
     }
 
-
     @Test
     fun `Can transfer tokens to other account`() {
         val amount = BigDecimal("10.00000001")

kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getProtocolState/GetProtocolStateAccessAPIConnectorTest.kt

@@ -38,7 +38,6 @@ internal class GetProtocolStateAccessAPIConnectorTest {
 
     @Test
     fun `Can get protocol state snapshot by height`() {
-
         val latestSnapshot: FlowSnapshot = protocolStateConnector.getProtocolStateSnapshotByHeight(block.height)
         assertNotNull(latestSnapshot, ("Snapshot should not be null"))
     }

kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getTransaction/GetTransactionAccessAPIConnectorTest.kt

@@ -6,7 +6,6 @@ import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 import org.onflow.examples.kotlin.AccessAPIConnector
-import org.onflow.examples.kotlin.AccessAPIConnectorTest
 import org.onflow.flow.common.test.FlowEmulatorProjectTest
 import org.onflow.flow.common.test.FlowServiceAccountCredentials
 import org.onflow.flow.common.test.FlowTestClient
@@ -68,7 +67,7 @@ internal class GetTransactionAccessAPIConnectorTest {
     }
 
     companion object {
-        fun fetchLatestBlockWithRetries(accessAPI : FlowAccessApi, retries: Int = 5, delayMillis: Long = 500): FlowBlock {
+        fun fetchLatestBlockWithRetries(accessAPI: FlowAccessApi, retries: Int = 5, delayMillis: Long = 500): FlowBlock {
             repeat(retries) { attempt ->
                 when (val response = accessAPI.getLatestBlock()) {
                     is FlowAccessApi.AccessApiCallResponse.Success -> return response.data