fix Reflection test

Author: minleejae

src/main/java/net/sf/jsqlparser/statement/create/table/CheckConstraint.java

@@ -101,4 +101,8 @@ public CheckConstraint withIndexSpec(List<String> idxSpec) {
         return (CheckConstraint) super.withIndexSpec(idxSpec);
     }
 
+    @Override
+    public CheckConstraint withIndexKeyword(String indexKeyword) {
+        return (CheckConstraint) super.withIndexKeyword(indexKeyword);
+    }
 }

src/main/java/net/sf/jsqlparser/statement/create/table/ExcludeConstraint.java

@@ -90,4 +90,8 @@ public ExcludeConstraint withName(String name) {
         return (ExcludeConstraint) super.withName(name);
     }
 
+    @Override
+    public ExcludeConstraint withIndexKeyword(String indexKeyword) {
+        return (ExcludeConstraint) super.withIndexKeyword(indexKeyword);
+    }
 }

src/main/java/net/sf/jsqlparser/statement/create/table/ForeignKeyIndex.java

@@ -204,4 +204,8 @@ public ForeignKeyIndex withIndexSpec(List<String> idxSpec) {
         return (ForeignKeyIndex) super.withIndexSpec(idxSpec);
     }
 
+    @Override
+    public ForeignKeyIndex withIndexKeyword(String indexKeyword) {
+        return (ForeignKeyIndex) super.withIndexKeyword(indexKeyword);
+    }
 }

src/main/java/net/sf/jsqlparser/statement/create/table/Index.java

@@ -151,7 +151,8 @@ public Index withIndexKeyword(String indexKeyword) {
     public String toString() {
         String idxSpecText = PlainSelect.getStringList(idxSpec, false, false);
         String keyword = (indexKeyword != null) ? " " + indexKeyword : "";
-        String head = (type != null ? type : "") + keyword + (!name.isEmpty() ? " " + getName() : "");
+        String head =
+                (type != null ? type : "") + keyword + (!name.isEmpty() ? " " + getName() : "");
         String tail = PlainSelect.getStringList(columns, true, true)
                 + (!"".equals(idxSpecText) ? " " + idxSpecText : "");
 

src/main/java/net/sf/jsqlparser/statement/create/table/NamedConstraint.java

@@ -70,4 +70,8 @@ public NamedConstraint withIndexSpec(List<String> idxSpec) {
         return (NamedConstraint) super.withIndexSpec(idxSpec);
     }
 
+    @Override
+    public NamedConstraint withIndexKeyword(String indexKeyword) {
+        return (NamedConstraint) super.withIndexKeyword(indexKeyword);
+    }
 }