Use CommentsConfiguration#setHeaderComments in some tests

Author: ljacqu

src/test/java/ch/jalu/configme/resource/YamlFileResourceCommentsExportTest.java

@@ -145,7 +145,7 @@ private RootPropertyHolder() {
 
         @Override
         public void registerComments(@NotNull CommentsConfiguration conf) {
-            conf.setComment("", "Define the command here.", "\n", "Fill out all values.");
+            conf.setHeaderComments("Define the command here.", "\n", "Fill out all values.");
         }
     }
 

src/test/java/ch/jalu/configme/resource/YamlFileResourceFooterCommentTest.java

@@ -85,7 +85,7 @@ private RootPropertyHolderSingleRootProperty() {
 
         @Override
         public void registerComments(@NotNull CommentsConfiguration conf) {
-            conf.setComment("", "Header comment line 1", "Header comment line 2");
+            conf.setHeaderComments("Header comment line 1", "Header comment line 2");
             conf.setFooterComments("Footer comment line 1", "Footer comment line 2");
         }
     }
@@ -103,7 +103,7 @@ private RootPropertyHolderWithFooter() {
 
         @Override
         public void registerComments(@NotNull CommentsConfiguration conf) {
-            conf.setComment("", "Header comment line 1", "Header comment line 2");
+            conf.setHeaderComments("Header comment line 1", "Header comment line 2");
             conf.setFooterComments("Footer comment line 1", "Footer comment line 2");
         }
     }