chore(checkstyle): fix checkstyle issues

core/src/test/java/de/fitko/fitconnect/core/crypto/JWECryptoServiceTest.java

@@ -18,7 +18,7 @@ public class JWECryptoServiceTest {
     final CryptoService underTest = new JWECryptoService(new HashService());
 
     @Test
-    public void encryptString() throws JOSEException {
+    void encryptString() throws JOSEException {
         // Given
         final RSAKey key = generateRsaKey(4096);
         final RSAKey publicKey = key.toPublicJWK();
@@ -28,11 +28,11 @@ public class JWECryptoServiceTest {
 
         // Then
         assertNotNull(encryptedData);
-        assertNotEquals(encryptedData, "some foo");
+        assertNotEquals("some foo", encryptedData);
     }
 
     @Test
-    public void decryptString() throws JOSEException {
+    void decryptString() throws JOSEException {
         // Given
         final RSAKey privateKey = generateRsaKey(4096);
         final RSAKey publicKey = privateKey.toPublicJWK();
@@ -43,11 +43,11 @@ public class JWECryptoServiceTest {
 
         // Then
         assertNotNull(decrypted);
-        assertEquals(decrypted, "some foo");
+        assertEquals("some foo", decrypted);
     }
 
     @Test
-    public void encryptBytes() throws JOSEException {
+    void encryptBytes() throws JOSEException {
         // Given
         final RSAKey key = generateRsaKey(4096);
         final RSAKey publicKey = key.toPublicJWK();
@@ -57,12 +57,12 @@ public class JWECryptoServiceTest {
 
         // Then
         assertNotNull(encryptedData);
-        assertNotEquals(encryptedData, "some foo");
+        assertNotEquals("some foo", encryptedData);
     }
 
 
     @Test
-    public void decryptBytes() throws JOSEException {
+    void decryptBytes() throws JOSEException {
         // Given
         final RSAKey privateKey = generateRsaKey(4096);
         final RSAKey publicKey = privateKey.toPublicJWK();
@@ -78,7 +78,7 @@ public class JWECryptoServiceTest {
 
 
     @Test
-    public void hashBytes() {
+    void hashBytes() {
         final var expectedHash = "6cb40f8c9a1f4411c6b83fefdd950009ec2906e3747e9146e7704234cdb6a7b11eefb9e6221fdad3cda7c5ece6a62ef535ca2ac84ba61226c9835062cf84db56";
         final byte[] contentToHash = "content to hash".getBytes(StandardCharsets.UTF_8);
         final String sha512Hash = underTest.hashBytes(contentToHash);