diff --git a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultCounterServiceTests.java b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultCounterServiceTests.java
index 319296c32a..693d79c252 100644
--- a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultCounterServiceTests.java
+++ b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultCounterServiceTests.java
@@ -16,23 +16,33 @@
 
 package org.springframework.boot.actuate.metrics;
 
-import org.junit.Ignore;
-import org.junit.Test;
-import org.springframework.boot.actuate.metrics.DefaultCounterService;
+import java.util.Date;
 
-import static org.junit.Assert.fail;
+import org.junit.Test;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
 
 /**
  * Tests for {@link DefaultCounterService}.
  */
-@Ignore
 public class DefaultCounterServiceTests {
 
-	// FIXME
+	private MetricRepository repository = mock(MetricRepository.class);
+
+	private DefaultCounterService service = new DefaultCounterService(this.repository);
 
 	@Test
-	public void test() {
-		fail("Not yet implemented");
+	public void incrementPrependsCounter() {
+		this.service.increment("foo");
+		verify(this.repository).increment(eq("counter.foo"), eq(1), any(Date.class));
 	}
 
+	@Test
+	public void decrementPrependsCounter() {
+		this.service.decrement("foo");
+		verify(this.repository).increment(eq("counter.foo"), eq(-1), any(Date.class));
+	}
 }
diff --git a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultGaugeServiceTests.java b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultGaugeServiceTests.java
index 1810e93e40..e926ca1261 100644
--- a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultGaugeServiceTests.java
+++ b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/DefaultGaugeServiceTests.java
@@ -16,23 +16,28 @@
 
 package org.springframework.boot.actuate.metrics;
 
-import org.junit.Ignore;
-import org.junit.Test;
-import org.springframework.boot.actuate.metrics.DefaultGaugeService;
+import java.util.Date;
 
-import static org.junit.Assert.fail;
+import org.junit.Test;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
 
 /**
  * Tests for {@link DefaultGaugeService}.
  */
-@Ignore
 public class DefaultGaugeServiceTests {
 
-	// FIXME
+	private MetricRepository repository = mock(MetricRepository.class);
+
+	private DefaultGaugeService service = new DefaultGaugeService(this.repository);
 
 	@Test
-	public void test() {
-		fail("Not yet implemented");
+	public void setPrependsGuager() {
+		this.service.set("foo", 2.3);
+		verify(this.repository).set(eq("gauge.foo"), eq(2.3), any(Date.class));
 	}
 
 }
diff --git a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/security/AuthorizationAuditListenerTests.java b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/security/AuthorizationAuditListenerTests.java
index 1d344b11b2..2f6bb01640 100644
--- a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/security/AuthorizationAuditListenerTests.java
+++ b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/security/AuthorizationAuditListenerTests.java
@@ -16,23 +16,44 @@
 
 package org.springframework.boot.actuate.security;
 
-import org.junit.Ignore;
-import org.junit.Test;
-import org.springframework.boot.actuate.security.AuthenticationAuditListener;
+import java.util.Arrays;
 
-import static org.junit.Assert.fail;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.security.access.AccessDeniedException;
+import org.springframework.security.access.ConfigAttribute;
+import org.springframework.security.access.SecurityConfig;
+import org.springframework.security.access.event.AuthorizationFailureEvent;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.verify;
 
 /**
  * Tests for {@link AuthenticationAuditListener}.
  */
-@Ignore
 public class AuthorizationAuditListenerTests {
 
-	// FIXME
+	private AuthorizationAuditListener listener = new AuthorizationAuditListener();
+
+	private ApplicationEventPublisher publisher = Mockito
+			.mock(ApplicationEventPublisher.class);
+
+	@Before
+	public void init() {
+		this.listener.setApplicationEventPublisher(this.publisher);
+	}
 
 	@Test
-	public void test() {
-		fail("Not yet implemented");
+	public void testAuthenticationSuccess() {
+		this.listener.onApplicationEvent(new AuthorizationFailureEvent(this, Arrays
+				.<ConfigAttribute> asList(new SecurityConfig("USER")),
+				new UsernamePasswordAuthenticationToken("user", "password"),
+				new AccessDeniedException("Bad user")));
+		verify(this.publisher).publishEvent((ApplicationEvent) anyObject());
 	}
 
 }