fix(core): Fix test name uniqueness (#7998)

Author: PerfectSlayer

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

@@ -175,7 +175,7 @@ class HealthMetricsTest extends DDSpecification {
     0 * _
   }
 
-  def "test onSend"() {
+  def "test onSend #iterationIndex"() {
     setup:
     def latch = new CountDownLatch(3 + (response.exception() ? 1 : 0) + (response.status() ? 1 : 0))
     def healthMetrics = new TracerHealthMetrics(new Latched(statsD, latch), 100, TimeUnit.MILLISECONDS)
@@ -212,7 +212,7 @@ class HealthMetricsTest extends DDSpecification {
     sendSize = ThreadLocalRandom.current().nextInt(1, 100)
   }
 
-  def "test onFailedSend"() {
+  def "test onFailedSend #iterationIndex"() {
     setup:
     def latch = new CountDownLatch(3 + (response.exception() ? 1 : 0) + (response.status() ? 1 : 0))
     def healthMetrics = new TracerHealthMetrics(new Latched(statsD, latch), 100, TimeUnit.MILLISECONDS)

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

@@ -43,7 +43,7 @@ class TimingTest extends DDSpecification {
     0 * _
   }
 
-  def "reset timer"() {
+  def "reset timer #iterationIndex"() {
     setup:
     StatsDClient statsd = Mock(StatsDClient)
     MonitoringImpl monitoring = new MonitoringImpl(statsd, 100, MILLISECONDS)
@@ -75,7 +75,7 @@ class TimingTest extends DDSpecification {
     Monitoring.DISABLED.newThreadLocalTimer("foo") instanceof NoOpRecording
   }
 
-  def "no ops are safe to use"() {
+  def "no ops are safe to use #iterationIndex"() {
     expect:
     try {
       recording.start().stop()