Fixed aerospike tests to run under arm64.

Author: AlexeyKuznetsov-DD

dd-java-agent/instrumentation/aerospike-4.0/src/test/groovy/datadog/trace/instrumentation/aerospike4/AerospikeAsyncClientTest.groovy

@@ -1,5 +1,7 @@
 package datadog.trace.instrumentation.aerospike4
 
+import static org.junit.jupiter.api.Assertions.fail
+
 import com.aerospike.client.AerospikeClient
 import com.aerospike.client.AerospikeException
 import com.aerospike.client.Bin
@@ -9,27 +11,23 @@ import com.aerospike.client.async.NioEventLoops
 import com.aerospike.client.listener.WriteListener
 import com.aerospike.client.policy.ClientPolicy
 import datadog.trace.api.Config
-import spock.lang.Shared
-
-import static org.junit.jupiter.api.Assertions.fail
 
 abstract class AerospikeAsyncClientTest extends AerospikeBaseTest {
-
-  @Shared
-  AerospikeClient client
-
-  @Shared
-  EventLoops eventLoops = new NioEventLoops(1)
+  private AerospikeClient client
+  private EventLoops eventLoops
 
   def setup() throws Exception {
+    eventLoops = new NioEventLoops(1)
+
     ClientPolicy clientPolicy = new ClientPolicy()
     clientPolicy.eventLoops = eventLoops
+
     client = new AerospikeClient(clientPolicy, aerospikeHost, aerospikePort)
   }
 
   def cleanup() throws Exception {
-    client.close()
-    eventLoops.close()
+    client?.close()
+    eventLoops?.close()
   }
 
   def "test put then get"() {
@@ -95,4 +93,3 @@ class AerospikeAsyncClientV1ForkedTest extends AerospikeAsyncClientTest {
     return "aerospike.query"
   }
 }
-

dd-java-agent/instrumentation/aerospike-4.0/src/test/groovy/datadog/trace/instrumentation/aerospike4/AerospikeBaseTest.groovy

@@ -42,9 +42,7 @@ abstract class AerospikeBaseTest extends VersionedNamingTestBase {
   }
 
   def cleanup() throws Exception {
-    if (aerospike) {
-      aerospike.stop()
-    }
+    aerospike?.stop()
   }
 
   def aerospikeSpan(TraceAssert trace, int index, String methodName, Object parentSpan = null) {

dd-java-agent/instrumentation/aerospike-4.0/src/test/groovy/datadog/trace/instrumentation/aerospike4/AerospikeClientTest.groovy

@@ -4,19 +4,16 @@ import com.aerospike.client.AerospikeClient
 import com.aerospike.client.Bin
 import com.aerospike.client.Key
 import datadog.trace.api.Config
-import spock.lang.Shared
 
 abstract class AerospikeClientTest extends AerospikeBaseTest {
-
-  @Shared
-  AerospikeClient client
+  private AerospikeClient client
 
   def setup() throws Exception {
     client = new AerospikeClient(aerospikeHost, aerospikePort)
   }
 
   def cleanup() throws Exception {
-    client.close()
+    client?.close()
   }
 
   def "test put then get"() {