reduced visibility of test classes [ci skip]

main/crypto-aes/src/test/java/org/cryptomator/crypto/aes256/CryptoTestComponent.java

@@ -8,7 +8,7 @@ import dagger.Component;
 
 @Singleton
 @Component(modules = CryptoTestModule.class)
-public interface CryptoTestComponent {
+interface CryptoTestComponent {
 
 	Cryptor cryptor();
 

main/crypto-aes/src/test/java/org/cryptomator/crypto/aes256/CryptoTestModule.java

@@ -8,7 +8,7 @@ import dagger.Module;
 import dagger.Provides;
 
 @Module
-public class CryptoTestModule {
+class CryptoTestModule {
 
 	@Provides
 	@SuppressWarnings("deprecation")