8242384: sa/TestSysProps.java failed due to "RuntimeException: Could not find property in jinfo output: [0.058s][info][cds] Archive was created with UseCompressedOops"

Reviewed-by: dcubed
diff --git a/test/hotspot/jtreg/serviceability/sa/TestSysProps.java b/test/hotspot/jtreg/serviceability/sa/TestSysProps.java
index ee01fed..3648492 100644
--- a/test/hotspot/jtreg/serviceability/sa/TestSysProps.java
+++ b/test/hotspot/jtreg/serviceability/sa/TestSysProps.java
@@ -110,9 +110,18 @@
             String[] jinfoLines = jinfoOut.getStdout().split("\\R");
             String[] appLines   = app.getOutput().getStdout().split("\\R");
             int numAppProps = 0;
+            boolean foundStartOfList = false;
             for (String appProp : appLines) {
                 boolean found;
 
+                // Skip any output that occurs before the first property
+                if (!foundStartOfList) {
+                    if (appProp.indexOf("-- listing properties --") != -1) {
+                        foundStartOfList = true;
+                    }
+                    continue;
+                }
+
                 // Find the next property in the app output
                 int idx = appProp.indexOf("=");
                 if (idx == -1) continue; // This line does not contain a property