do not flag dead code if custom JUnit runner is used (IDEA-25444)

java/java-tests/testData/inspection/deadCode/reachableFromFieldArrayInitializer/src/Interface.java

@@ -0,0 +1,3 @@
+interface Interface {
+  int[] getField();
+}

java/java-tests/testData/inspection/deadCode/reachableFromFieldArrayInitializer/src/Test.java

@@ -0,0 +1,16 @@
+public class Test implements Interface{
+   public static int[] myField = new int[] {init()};
+
+   public static int init() {
+     return 1;
+   }
+   
+   public static void main(String[] args){
+     Interface i = new Test();
+     System.out.println(i.getField());
+   }
+
+   public int[] getField() {
+     return myField;
+   }
+}