Fix compilation errors observed using ./gradlew :dd-trace-core:test locally

Author: mcculls

dd-trace-core/src/test/groovy/datadog/trace/common/sampling/SamplerTest.groovy

@@ -56,7 +56,7 @@ class SamplerTest extends DDSpecification{
     !(sampler instanceof AsmStandaloneSampler)
   }
 
-  void "test that AsmStandaloneSampler is not selected when apm tracing and asm not enabled"() {
+  void "test that AsmStandaloneSampler is not selected when apm tracing enabled and asm not enabled"() {
     setup:
     Config config = new Config()
 

dd-trace-core/src/test/groovy/datadog/trace/common/writer/PrioritizationTest.groovy

@@ -230,7 +230,7 @@ class PrioritizationTest extends DDSpecification {
     []    | USER_KEEP    | 1             | 0                | ENQUEUED_FOR_SERIALIZATION
   }
 
-  def "drop strategy respects force keep" () {
+  def "span sampling drop strategy respects force keep" () {
     setup:
     Queue<Object> primary = Mock(Queue)
     Queue<Object> spanSampling = Mock(Queue)