Improve instrumentation JUnit testing #11096

PerfectSlayer wants to merge 4 commits intobbujon/groovy-to-java-configDataDog/dd-trace-java:bbujon/groovy-to-java-configfrom

bbujon/groovy-to-java-instrumented-testsDataDog/dd-trace-java:bbujon/groovy-to-java-instrumented-testsCopy head branch name to clipboard