Removed duplicating constant

Author: vitalii-t

src/test/java/io/mailtrap/api/bulkemails/BulkEmailsImplTest.java

@@ -77,7 +77,7 @@ void send_MailWithoutTemplateUuidAndTextAndHtml_ThrowsInvalidRequestBodyExceptio
 
         // Assert
         InvalidRequestBodyException exception = assertThrows(InvalidRequestBodyException.class, () -> bulkEmails.send(mail));
-        assertEquals(TEMPLATE_UUID_OR_SUBJECT_AND_TEXT_OR_HTML_MUST_NOT_BE_EMPTY, exception.getMessage());
+        assertEquals(MAIL_MUST_HAVE_SUBJECT_AND_EITHER_TEXT_OR_HTML, exception.getMessage());
     }
 
     @Test

src/test/java/io/mailtrap/api/sendingemails/SendingEmailsImplTest.java

@@ -77,7 +77,7 @@ void send_MailWithoutTemplateUuidAndTextAndHtml_ThrowsInvalidRequestBodyExceptio
 
         // Assert
         InvalidRequestBodyException exception = assertThrows(InvalidRequestBodyException.class, () -> sendApi.send(mail));
-        assertEquals(TEMPLATE_UUID_OR_SUBJECT_AND_TEXT_OR_HTML_MUST_NOT_BE_EMPTY, exception.getMessage());
+        assertEquals(MAIL_MUST_HAVE_SUBJECT_AND_EITHER_TEXT_OR_HTML, exception.getMessage());
     }
 
     @Test

src/test/java/io/mailtrap/api/testingemails/TestingEmailsImplTest.java

@@ -79,7 +79,7 @@ void send_MailWithoutTemplateUuidAndTextAndHtml_ThrowsInvalidRequestBodyExceptio
 
         // Assert
         InvalidRequestBodyException exception = assertThrows(InvalidRequestBodyException.class, () -> testingApi.send(mail, INBOX_ID));
-        assertEquals(TEMPLATE_UUID_OR_SUBJECT_AND_TEXT_OR_HTML_MUST_NOT_BE_EMPTY, exception.getMessage());
+        assertEquals(MAIL_MUST_HAVE_SUBJECT_AND_EITHER_TEXT_OR_HTML, exception.getMessage());
     }
 
     @Test

src/test/java/io/mailtrap/testutils/BaseSendTest.java

@@ -14,7 +14,6 @@ public class BaseSendTest {
     protected final String BULK_AND_SANDBOX_TRUE_IN_SENDING_CONFIG = "Bulk mode is not applicable for Testing API";
     protected final String INBOX_ID_REQUIRED = "Testing API requires inbox ID";
     protected final String INVALID_REQUEST_EMPTY_BODY_FROM_EMAIL = "Invalid request body. Violations: from.email=must not be empty";
-    protected final String TEMPLATE_UUID_OR_SUBJECT_AND_TEXT_OR_HTML_MUST_NOT_BE_EMPTY = "Mail must have subject and either text or html when templateUuid is not provided";
     protected final String TEMPLATE_UUID_IS_USED_SUBJECT_AND_TEXT_AND_HTML_SHOULD_BE_EMPTY = "When templateUuid is used, subject, text, and html must not be used";
     protected final String TEMPLATE_VARIABLES_SHOULD_BE_USED_WITH_TEMPLATE_UUID = "Mail templateVariables must only be used with templateUuid";
     protected final String MAIL_MUST_HAVE_SUBJECT_AND_EITHER_TEXT_OR_HTML = "Mail must have subject and either text or html when templateUuid is not provided";