diff --git a/gclc-test/src/main/java/net/bigeon/gclc/test/InputContract.java b/gclc-test/src/main/java/net/bigeon/gclc/test/InputContract.java
index 5f0429f..ce977bc 100644
--- a/gclc-test/src/main/java/net/bigeon/gclc/test/InputContract.java
+++ b/gclc-test/src/main/java/net/bigeon/gclc/test/InputContract.java
@@ -14,7 +14,6 @@ import java.util.function.Supplier;
 import net.bigeon.gclc.manager.ConsoleInput;
 import net.bigeon.test.junitmt.FunctionalTestRunnable;
 import net.bigeon.test.junitmt.ThreadTest;
-import net.bigeon.test.junitmt.api.TestFunction;
 
 /** @author Emmanuel Bigeon */
 public final class InputContract {
@@ -38,24 +37,17 @@ public final class InputContract {
         // Test interruption contract
         final ConsoleInput input2 = inputs.get();
         final FunctionalTestRunnable prompting = new FunctionalTestRunnable(
-                new TestFunction() {
-
-                    @Override
-                    public void apply() throws Exception {
-                        try {
-                            input2.prompt();
-                            fail("Interrupted prompt should throw INterruptedIOException");
-                        } catch (final InterruptedIOException e) {
-                            // ok
-                        }
+                () -> {
+                    try {
+                        input2.prompt();
+                        fail("Interrupted prompt should throw INterruptedIOException");
+                    } catch (final InterruptedIOException e) {
+                        // ok
                     }
                 });
         final Thread th = new Thread(prompting);
         th.start();
-// while (!input2.isPrompting()) {
         th.join(200);
-//
-// }
         input2.interruptPrompt();
         ThreadTest.assertRuns(th, prompting);
     }