[JUnit Platform Engine] Implement toString on custom DiscoverySelectors

Author: mpkorstanje

cucumber-junit-platform-engine/src/main/java/io/cucumber/junit/platform/engine/CucumberDiscoverySelectors.java

@@ -3,6 +3,7 @@
 import io.cucumber.core.feature.FeatureWithLines;
 import io.cucumber.core.gherkin.Feature;
 import io.cucumber.plugin.event.Node;
+import org.junit.platform.commons.util.ToStringBuilder;
 import org.junit.platform.engine.DiscoverySelector;
 import org.junit.platform.engine.UniqueId;
 import org.junit.platform.engine.discovery.FilePosition;
@@ -93,6 +94,11 @@ public boolean equals(Object o) {
         public int hashCode() {
             return Objects.hash(uri, filePositions);
         }
+
+        @Override
+        public String toString() {
+            return new ToStringBuilder(this).append("uri", this.uri).append("filePositions", this.filePositions).toString();
+        }
     }
 
     static class FeatureElementSelector implements DiscoverySelector {
@@ -155,5 +161,10 @@ public boolean equals(Object o) {
         public int hashCode() {
             return Objects.hash(feature, element);
         }
+
+        @Override
+        public String toString() {
+            return new ToStringBuilder(this).append("feature", this.feature.getUri()).append("element", this.element.getLocation()).toString();
+        }
     }
 }