[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/ConstantValuesFromKtFile.kt

@@ -0,0 +1,27 @@
+// FIR_IDENTICAL
+// FILE: test.kt
+package a
+
+const val CONST = "CONST"
+
+open class Test {
+
+    companion object {
+        const val CONST = 42
+    }
+
+}
+
+// FILE: a/x.java
+package a;
+
+public class x {
+
+    public static final String CONST1 = TestKt.CONST;
+    public static final int CONST2 = Test.CONST;
+
+    public class y extends Test {
+        public static final int I = CONST;
+    }
+
+}