[Test] Properly merge box against java testdata into codegen/box

Previous commit about it was 3199ce03 and it was completely wrong

compiler/testData/codegen/box/ieee754/explicitCompareCall_AgainstCompiled.kt

@@ -0,0 +1,41 @@
+// DONT_TARGET_EXACT_BACKEND: JS JS_IR JS_IR_ES6 WASM NATIVE
+// MODULE: lib
+// FILE: JavaClass.java
+
+public class JavaClass {
+
+    public Double minus0(){
+        return -0.0;
+    }
+
+    public Double plus0(){
+        return 0.0;
+    }
+
+    public Double null0(){
+        return null;
+    }
+
+}
+
+// MODULE: main(lib)
+// FILE: b.kt
+
+
+fun box(): String {
+
+    val jClass = JavaClass()
+
+    if (jClass.minus0().compareTo(jClass.plus0()) != -1) return "fail 1"
+
+    //TODO: KT-14989
+    //if (jClass.null0().compareTo(jClass.plus0())) return "fail 2"
+    try {
+        if (jClass.minus0().compareTo(jClass.null0()) != -2) return "fail 3"
+        return "fail: exception expected";
+    } catch (e: NullPointerException) {
+
+    }
+
+    return "OK"
+}