[TEST] Migrate duplicating javac tests to new test runners

Also minimize scope of DiagnosticUsingJavac tests to
 `compiler/testData/diagnostics/tests/javac`. This is fine since
 javac compilation mode is still not finished and no one not going to
 support it

compiler/testData/diagnostics/tests/javac/fieldsResolution/InheritedField.kt

@@ -0,0 +1,24 @@
+// FIR_IDENTICAL
+// FILE: a/x.java
+package a;
+
+public class x {
+    public static final int CONST = 42;
+}
+
+// FILE: a/y.java
+package a;
+
+public class y extends x {
+    public static final int O = CONST;
+}
+
+// FILE: a/z.java
+package a;
+
+public class z {
+
+    public static final int I = y.CONST;
+    public static final int O = y.O;
+
+}