check suspicious ConcurrentHashMap.contains (IDEA-124698)

java/java-tests/testData/inspection/suspiciousCalls/ConcurrentHashMap.java

@@ -0,0 +1,9 @@
+import java.util.concurrent.ConcurrentHashMap;
+
+class Main<K, V> {
+  void f(ConcurrentHashMap<K, V> map, K key){
+    if (map.contains(<warning descr="Suspicious call to 'ConcurrentHashMap.contains'">key</warning>)) {
+      System.out.println();
+    }
+  }
+}