testdata for IDEA-121884

(cherry picked from commit 985e902bb5edb3c913d0394492494ed115e545b4)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/IDEA121884.java

@@ -0,0 +1,17 @@
+class Main {
+  interface MyCall {
+    void call(int n);
+  }
+  interface MyCallRet {
+    int call(int n);
+  }
+  public static void caller(MyCall c) {
+    c.call(2);
+  }
+  public static void caller(MyCallRet c) {
+    c.call(3);
+  }
+  public static void main(String[] args) {
+    caller( (int n) -> { System.out.println(" " + n);  } );
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/MostSpecificResolutionTest.java

@@ -55,6 +55,10 @@ public class MostSpecificResolutionTest extends LightDaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testIDEA121884() throws Exception {
+    doTest();
+  }
+
   private void doTest() {
     doTest(true);
   }