Add a couple more...
MODIFY
dd-java-agent/instrumentation/couchbase-2.0/src/test/groovy/CouchbaseAsyncClientTest.groovy
dd-java-agent/instrumentation/couchbase-2.0/src/test/groovy/CouchbaseAsyncClientTest.groovy
@@ -4,6 +4,7 @@ import com.couchbase.client.java.document.JsonDocument
import com.couchbase.client.java.document.json.JsonObject
import com.couchbase.client.java.env.CouchbaseEnvironment
import com.couchbase.client.java.query.N1qlQuery
+import spock.lang.Retry
import spock.lang.Unroll
import spock.util.concurrent.BlockingVariable
import util.AbstractCouchbaseTest
@@ -13,6 +14,7 @@ import java.util.concurrent.TimeUnit
import static datadog.trace.agent.test.utils.TraceUtils.basicSpan
import static datadog.trace.agent.test.utils.TraceUtils.runUnderTrace
+@Retry
@Unroll
class CouchbaseAsyncClientTest extends AbstractCouchbaseTest {
static final int TIMEOUT = 10

MODIFY
dd-java-agent/instrumentation/couchbase-2.0/src/test/groovy/CouchbaseClientTest.groovy
dd-java-agent/instrumentation/couchbase-2.0/src/test/groovy/CouchbaseClientTest.groovy
@@ -5,12 +5,14 @@ import com.couchbase.client.java.document.JsonDocument
import com.couchbase.client.java.document.json.JsonObject
import com.couchbase.client.java.env.CouchbaseEnvironment
import com.couchbase.client.java.query.N1qlQuery
+import spock.lang.Retry
import spock.lang.Unroll
import util.AbstractCouchbaseTest
import static datadog.trace.agent.test.utils.TraceUtils.basicSpan
import static datadog.trace.agent.test.utils.TraceUtils.runUnderTrace
+@Retry
@Unroll
class CouchbaseClientTest extends AbstractCouchbaseTest {
def "test hasBucket #type"() {

MODIFY
dd-java-agent/instrumentation/couchbase-2.6/src/test/groovy/CouchbaseAsyncClient26Test.groovy
dd-java-agent/instrumentation/couchbase-2.6/src/test/groovy/CouchbaseAsyncClient26Test.groovy
import datadog.trace.agent.test.asserts.TraceAssert
+import spock.lang.Retry
+@Retry
class CouchbaseAsyncClient26Test extends CouchbaseAsyncClientTest {
@Override

MODIFY
dd-java-agent/instrumentation/couchbase-2.6/src/test/groovy/CouchbaseClient26Test.groovy
dd-java-agent/instrumentation/couchbase-2.6/src/test/groovy/CouchbaseClient26Test.groovy
import datadog.trace.agent.test.asserts.TraceAssert
+import spock.lang.Retry
+@Retry
class CouchbaseClient26Test extends CouchbaseClientTest {
@Override
void assertCouchbaseCall(TraceAssert trace, int index, String name, String bucketName = null, Object parentSpan = null) {

Add a couple more...