[MINOR] Fix wrong logic for checking state condition (#2524)

diff --git a/hudi-flink/src/main/java/org/apache/hudi/util/StreamerUtil.java b/hudi-flink/src/main/java/org/apache/hudi/util/StreamerUtil.java
index 9460ee8..2fa8757 100644
--- a/hudi-flink/src/main/java/org/apache/hudi/util/StreamerUtil.java
+++ b/hudi-flink/src/main/java/org/apache/hudi/util/StreamerUtil.java
@@ -248,6 +248,6 @@
 
   public static void checkRequiredProperties(TypedProperties props, List<String> checkPropNames) {
     checkPropNames.forEach(prop ->
-        Preconditions.checkState(!props.containsKey(prop), "Required property " + prop + " is missing"));
+        Preconditions.checkState(props.containsKey(prop), "Required property " + prop + " is missing"));
   }
 }