omit png output on test
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1861953 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestPPTX2PNG.java b/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestPPTX2PNG.java
index 62c5503..da85aa1 100644
--- a/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestPPTX2PNG.java
+++ b/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestPPTX2PNG.java
@@ -94,7 +94,7 @@
assumeFalse("ignore HSLF / .ppt files in no-scratchpad run", xslfOnly && pptFile.toLowerCase(Locale.ROOT).endsWith("ppt"));
String[] args = {
- "-format", "png", // png,gif,jpg or null for test
+ "-format", "null", // png,gif,jpg or null for test
"-slide", "-1", // -1 for all
"-outdir", new File("build/tmp/").getCanonicalPath(),
"-outpat", "${basename}-${slideno}-${ext}.${format}",
