diff --git a/dd-java-agent/agent-tooling/src/test/groovy/datadog/trace/agent/tooling/bytebuddy/outline/TypeFactoryForkedTest.groovy b/dd-java-agent/agent-tooling/src/test/groovy/datadog/trace/agent/tooling/bytebuddy/outline/TypeFactoryForkedTest.groovy
index cdd69dbb464..6ec2769fe6d 100644
--- a/dd-java-agent/agent-tooling/src/test/groovy/datadog/trace/agent/tooling/bytebuddy/outline/TypeFactoryForkedTest.groovy
+++ b/dd-java-agent/agent-tooling/src/test/groovy/datadog/trace/agent/tooling/bytebuddy/outline/TypeFactoryForkedTest.groovy
@@ -2,6 +2,7 @@ package datadog.trace.agent.tooling.bytebuddy.outline
 
 import datadog.trace.agent.tooling.bytebuddy.ClassFileLocators
 import datadog.trace.agent.tooling.bytebuddy.matcher.DDElementMatchers
+import net.bytebuddy.description.type.TypeDescription
 import spock.lang.Shared
 import spock.lang.Specification
 
@@ -28,6 +29,9 @@ class TypeFactoryForkedTest extends Specification {
   def hasContextField = declaresContextField('java.lang.Runnable', 'java.lang.String')
 
   def "can mix full types with outlines"() {
+    expect:
+    TypeDescription.AbstractBase.RAW_TYPES // this test relies on raw-types
+
     when:
     def systemLoader = ClassLoader.systemClassLoader
     def systemLocator = ClassFileLocators.classFileLocator(systemLoader)
diff --git a/utils/test-utils/src/main/groovy/datadog/trace/test/util/ConfigTransformSpockExtension.groovy b/utils/test-utils/src/main/groovy/datadog/trace/test/util/ConfigTransformSpockExtension.groovy
index 625c43d9af3..57373547f11 100644
--- a/utils/test-utils/src/main/groovy/datadog/trace/test/util/ConfigTransformSpockExtension.groovy
+++ b/utils/test-utils/src/main/groovy/datadog/trace/test/util/ConfigTransformSpockExtension.groovy
@@ -18,6 +18,11 @@ import static net.bytebuddy.matcher.ElementMatchers.none
  * Transforms the Config class to make its INSTANCE field non-final and volatile.
  */
 class ConfigTransformSpockExtension implements IGlobalExtension {
+  static {
+    // same setting as AgentInstaller to avoid spurious agent-tooling test failures
+    System.setProperty("net.bytebuddy.raw", "true")
+  }
+
   static final String INST_CONFIG = "datadog.trace.api.InstrumenterConfig"
   static final String CONFIG = "datadog.trace.api.Config"