Here's what categories would look like

.settings/org.eclipse.jdt.core.prefs

@@ -1,4 +1,4 @@
-#Fri Jul 17 17:27:50 EDT 2009
+#Mon Jul 27 22:30:22 EDT 2009
 eclipse.preferences.version=1
 org.eclipse.jdt.core.codeComplete.argumentPrefixes=
 org.eclipse.jdt.core.codeComplete.argumentSuffixes=
@@ -46,7 +46,7 @@ org.eclipse.jdt.core.compiler.problem.localVariableHiding=ignore
 org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
 org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=warning
 org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=ignore
-org.eclipse.jdt.core.compiler.problem.missingJavadocComments=warning
+org.eclipse.jdt.core.compiler.problem.missingJavadocComments=ignore
 org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsOverriding=disabled
 org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsVisibility=protected
 org.eclipse.jdt.core.compiler.problem.missingJavadocTagDescription=no_tag

src/main/java/CategoryTest.java

@@ -0,0 +1,58 @@
+import static org.junit.Assert.fail;
+import org.junit.rules.MethodRule;
+import org.junit.rules.Timeout;
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+import org.junit.runners.Suite.SuiteClasses;
+
+
+public class CategoryTest {
+	public static class A {
+		public void a() {
+			// pass
+		}
+
+		@Category(SlowTests.class)
+		public void b() {
+			fail();
+		}
+	}
+
+	@Category(SlowTests.class)	
+	public static class B {
+		public void c() {
+
+		}
+	}
+
+	public static class C {
+		public void d() {
+
+		}
+	}
+
+	@RunWith(Suite.class)
+	@SuiteClasses({A.class, B.class, C.class})
+	public static class AbcTest {
+		enum JUnitCategories {
+			INTEGRATION, UNIT, GOOD, BAD;
+		}
+
+		enum GoogleCategories extends JUnitCategories {
+			SMALL, MEDIUM, LARGE, ENORMOUS;
+		}
+
+		@SuiteRule public Filter filter = new CategoryFilter(Category.class, SLOW);
+		@SuiteRule public Filter decimator = new RandomFilter(0.1);
+
+		@SuiteRule public SuiteRule globalTimeout = GlobalTimeout.createTimeoutOnEachMethod(1000);
+
+		public static MethodRule GOOGLE_DEFAULT_TIMEOUT = new Timeout(1000);
+
+		SuiteRule 
+		@SuiteRule public MethodRule timeout = new Timeout(1000);
+
+		@SuiteRule public MethodRuleDistributor timeoutDistributer = 
+			new MethodRuleDistributor(new Timeout(1000));
+	}
+}