const val FOO = "foo"
                fun foo() = FOO
            """,
            { assertThat(it.callOnObjectIntance("foo"), equalTo("foo")) },
            """
                const val FOO = "bar"
                fun foo() = FOO
            """,
            { assertThat(it.callOnObjectIntance("foo"), equalTo("bar")) }
        ).assertApiChanged()
    }

    private
    fun givenChangingClass(