fix: make errorprone happy :)

Author: Citymonstret

cloud-annotations/src/test/java/org/incendo/cloud/annotations/AnnotationParserTest.java

@@ -261,6 +261,7 @@ public void testInjectedParameters(
         System.out.printf("Injected value: %s\n", injectableValue.toString());
     }
 
+    @SuppressWarnings({"ClassInitializationDeadlock", "EffectivelyPrivate"})
     @Command("class")
     private static class ClassCommandMethod {
 
@@ -278,6 +279,7 @@ public void annotatedMethod() {
     }
 
 
+    @SuppressWarnings({"ClassInitializationDeadlock", "EffectivelyPrivate"})
     @Bad1
     @CommandDescription("Hello World!")
     private static class AnnotatedClass {
@@ -348,6 +350,7 @@ public String toString() {
     }
 
 
+    @SuppressWarnings("EffectivelyPrivate")
     private static final class AliasedCommands {
 
         private static final String COMMAND_ALIASES = "acommand|analias|anotheralias";

cloud-annotations/src/test/java/org/incendo/cloud/annotations/issue/Issue450.java

@@ -64,6 +64,7 @@ void testPrefixedAlias() {
         ).join();
     }
 
+    @SuppressWarnings({"ClassInitializationDeadlock", "EffectivelyPrivate"})
     private static class TestCommandClass {
 
         @Command("/command|/cmd")

cloud-core/src/main/java/org/incendo/cloud/description/Description.java

@@ -39,6 +39,7 @@
 @API(status = API.Status.STABLE)
 public interface Description {
 
+    @SuppressWarnings("ClassInitializationDeadlock")
     Description EMPTY = DescriptionImpl.of("");
 
     /**

cloud-core/src/test/java/org/incendo/cloud/CommandTest.java

@@ -32,7 +32,7 @@
 
 class CommandTest {
 
-    @Test()
+    @Test
     void noArguments() {
         assertThat(
                 Command

cloud-core/src/test/java/org/incendo/cloud/ParameterInjectorRegistryTest.java

@@ -125,7 +125,7 @@ void testNonExistentInjection() {
         assertThat(result).isEmpty();
     }
 
-    @SuppressWarnings("unused")
+    @SuppressWarnings({"unused", "UnnecessaryQualifier"})
     private static void testAnnotatedMethod(@TestAnnotation final Integer ignored) {}
 
 

cloud-core/src/test/java/org/incendo/cloud/util/TestUtils.java

@@ -48,6 +48,7 @@ public final class TestUtils {
     private TestUtils() {
     }
 
+    @SuppressWarnings({"ClassInitializationDeadlock", "EffectivelyPrivate"})
     private abstract static class TestCommandSenderCommandManager extends CommandManager<TestCommandSender> {
 
         @SuppressWarnings("unused") // mocked via mockito