Add test

mnt/src/test/java/com/ak/micronaut/MntTest.java

@@ -0,0 +1,18 @@
+package com.ak.micronaut;
+
+import io.micronaut.runtime.EmbeddedApplication;
+import io.micronaut.test.extensions.junit5.annotation.MicronautTest;
+import jakarta.inject.Inject;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+@MicronautTest
+class MntTest {
+  @Inject
+  EmbeddedApplication<?> application;
+
+  @Test
+  void testItWorks() {
+    Assertions.assertTrue(application.isRunning());
+  }
+}

mnt/src/test/java/com/ak/micronaut/package-info.java

@@ -0,0 +1,4 @@
+@NullMarked
+package com.ak.micronaut;
+
+import org.jspecify.annotations.NullMarked;