cache: couple of newFile -> newFolder

cache/src/test/java/net/runelite/cache/OverlayDumper.java

@@ -54,7 +54,7 @@ public class OverlayDumper
 	public void extract() throws IOException
 	{
 		java.io.File base = StoreLocation.LOCATION,
-			outDir = folder.newFile();
+			outDir = folder.newFolder();
 
 		int count = 0;
 

cache/src/test/java/net/runelite/cache/SequenceDumper.java

@@ -55,7 +55,7 @@ public class SequenceDumper
 	public void extract() throws IOException
 	{
 		java.io.File base = StoreLocation.LOCATION,
-			outDir = folder.newFile();
+			outDir = folder.newFolder();
 
 		int count = 0;
 

cache/src/test/java/net/runelite/cache/TextureDumper.java

@@ -50,7 +50,7 @@ public class TextureDumper
 	public void extract() throws IOException
 	{
 		java.io.File base = StoreLocation.LOCATION,
-			outDir = folder.newFile();
+			outDir = folder.newFolder();
 
 		int count = 0;
 

cache/src/test/java/net/runelite/cache/TitleDumper.java

@@ -48,7 +48,7 @@ public class TitleDumper
 	public void extract() throws IOException
 	{
 		java.io.File base = StoreLocation.LOCATION,
-			outFile = folder.newFile();
+			outFile = folder.newFolder();
 
 		try (Store store = new Store(base))
 		{