Annotate nullability in org.junit.platform.fakes

Author: marcphilipp

junit-platform-engine/src/testFixtures/java/org/junit/platform/fakes/TestEngineSpy.java

@@ -10,6 +10,7 @@
 
 package org.junit.platform.fakes;
 
+import org.jspecify.annotations.Nullable;
 import org.junit.platform.engine.EngineDiscoveryRequest;
 import org.junit.platform.engine.ExecutionRequest;
 import org.junit.platform.engine.TestDescriptor;
@@ -23,6 +24,7 @@ public class TestEngineSpy implements TestEngine {
 
 	private final String id;
 
+	@Nullable
 	public ExecutionRequest requestForExecution;
 
 	public TestEngineSpy() {

junit-platform-engine/src/testFixtures/java/org/junit/platform/fakes/package-info.java

@@ -0,0 +1,5 @@
+
+@NullMarked
+package org.junit.platform.fakes;
+
+import org.jspecify.annotations.NullMarked;