[java-highlighting] Allow statics inside inner since Java 16 (IDEA-257410)

Also remove redundant record tests

GitOrigin-RevId: ce57189891b3df3ba4659e8e3a2ded125234911a

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/StaticInInnerJava16.java

@@ -0,0 +1,94 @@
+//statics in inner
+public class a {
+
+  static final Number x = null;
+  static final int ix = x== null ? 4 : 3;
+
+  class ic {
+    static int i;
+
+    static final int f1 = 3 < 4 ? (a.ix==5 ?  1 : 3) / 4 + 18 : 0;
+
+    static final int f2 = x instanceof Integer ? 1 : 0;
+
+    static class a_ic_c {}
+
+    interface a_ic_i {}
+    static  interface a_ic_i2 {}
+
+    static int a_ic_m(String s) { return 0; }
+
+    // static initializer
+    static {}
+  }
+
+
+  interface ii {
+    static int i = 9;
+    void f();
+    // since nested interface is implicitly static:
+    static class ii_c {}
+  }
+
+  // static inside class inside code block
+  void f() {
+  class ic2 {
+    static int i;
+
+    static final int f1 = 3 < 4 ? (a.ix==5 ?  1 : 3) / 4 + 18 : 0;
+
+    static final int f2 = x instanceof Integer ? 1 : 0;
+
+    static class a_ic_c2 {}
+
+    static int a_ic_m2(String s) { return 0; }
+    // static initializer
+    static {}
+  }
+  }
+
+  void f1()
+  {
+    new a() {
+    static int i;
+
+    static final int f1 = 3 < 4 ? (a.ix==5 ?  1 : 3) / 4 + 18 : 0;
+
+    static final Object o = null;
+
+    static final int f2 = x instanceof Integer ? 1 : 0;
+
+    static class a_ic_c2 {}
+
+    static int a_ic_m2(String s) { return 0; }
+    // static initializer
+    static {}
+    };
+  }
+
+  // local interface
+  class cc {
+    void f() {
+      interface i {}
+    }
+    void ff() {
+      class inn {
+        interface i {}
+      }
+    }
+
+    Object o = new Runnable() {
+      interface i {}
+      public void run() {}
+    };
+  }
+
+  void withanonymous() {
+    new Object() {
+      <error descr="Modifier 'private' not allowed here">private</error> class RT {}
+      private void method() {}
+      private int myI;
+    };
+  }
+}
+