unused return value inspection should ignore methods used in unknonwn files IDEA-207191

java/java-tests/testData/inspection/unusedReturnValue/usedFromGroovy/expected.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems/>

java/java-tests/testData/inspection/unusedReturnValue/usedFromGroovy/src/Test.java

@@ -0,0 +1,19 @@
+import java.util.Random;
+
+class JavaClass {
+  private final Random rnd = new Random();
+
+  public int getRandom13() {
+    return rnd.nextInt(13);
+  }
+
+  public int getRandom42() {
+    return rnd.nextInt(42);
+  }
+}
+
+class JavaMain {
+  public static void main(String[] args) {
+    System.out.println(new JavaClass().getRandom42());
+  }
+}

java/java-tests/testData/inspection/unusedReturnValue/usedFromGroovy/src/Util.groovy

@@ -0,0 +1,7 @@
+class Util {
+
+  void m() {
+    new JavaClass().random13
+  }
+
+}