fix(core): Fix test name uniqueness (#8410)

Author: PerfectSlayer

dd-trace-core/src/test/groovy/datadog/trace/core/monitor/CounterTest.groovy

@@ -4,11 +4,11 @@ import datadog.communication.monitor.Counter
 import datadog.communication.monitor.Monitoring
 import datadog.communication.monitor.NoOpCounter
 import datadog.trace.api.StatsDClient
-import datadog.trace.test.util.DDSpecification
+import spock.lang.Specification
 
 import static java.util.concurrent.TimeUnit.MILLISECONDS
 
-class CounterTest extends DDSpecification {
+class CounterTest extends Specification {
 
   def "counter counts stuff"() {
     StatsDClient statsd = Mock(StatsDClient)

dd-trace-core/src/test/groovy/datadog/trace/core/monitor/HealthMetricsTest.groovy

@@ -5,16 +5,16 @@ import datadog.trace.api.sampling.PrioritySampling
 import datadog.trace.bootstrap.instrumentation.api.ScopeSource
 import datadog.trace.common.writer.RemoteApi
 import datadog.trace.common.writer.RemoteWriter
-import datadog.trace.test.util.DDSpecification
 import spock.lang.Ignore
+import spock.lang.Specification
 import spock.lang.Subject
 
 import java.util.concurrent.CountDownLatch
 import java.util.concurrent.ThreadLocalRandom
 import java.util.concurrent.TimeUnit
 
 
-class HealthMetricsTest extends DDSpecification {
+class HealthMetricsTest extends Specification {
   def statsD = Mock(StatsDClient)
 
   @Subject
@@ -25,16 +25,14 @@ class HealthMetricsTest extends DDSpecification {
   def "test onStart"() {
     setup:
     def writer = Mock(RemoteWriter)
+    def capacity = ThreadLocalRandom.current().nextInt()
 
     when:
     healthMetrics.onStart(writer)
 
     then:
     1 * writer.getCapacity() >> capacity
     0 * _
-
-    where:
-    capacity = ThreadLocalRandom.current().nextInt()
   }
 
   def "test onShutdown"() {
@@ -150,6 +148,7 @@ class HealthMetricsTest extends DDSpecification {
     setup:
     def latch = new CountDownLatch(1)
     def healthMetrics = new TracerHealthMetrics(new Latched(statsD, latch), 100, TimeUnit.MILLISECONDS)
+    def bytes = ThreadLocalRandom.current().nextInt(10000)
     healthMetrics.start()
 
     when:
@@ -162,9 +161,6 @@ class HealthMetricsTest extends DDSpecification {
 
     cleanup:
     healthMetrics.close()
-
-    where:
-    bytes = ThreadLocalRandom.current().nextInt(10000)
   }
 
   def "test onFailedSerialize"() {

dd-trace-core/src/test/groovy/datadog/trace/core/monitor/TimingTest.groovy

@@ -4,12 +4,12 @@ import datadog.communication.monitor.Monitoring
 import datadog.communication.monitor.NoOpRecording
 import datadog.communication.monitor.Recording
 import datadog.trace.api.StatsDClient
-import datadog.trace.test.util.DDSpecification
 import org.junit.jupiter.api.Assertions
+import spock.lang.Specification
 
 import static java.util.concurrent.TimeUnit.MILLISECONDS
 
-class TimingTest extends DDSpecification {
+class TimingTest extends Specification {
 
   def "timer times stuff"() {
     setup: