[FIR JS] Prepare the test data for FIR

compiler/testData/diagnostics/testsWithJsStdLib/export/secondaryConstructorWithoutJsName.fir.kt

@@ -0,0 +1,15 @@
+// !OPT_IN: kotlin.js.ExperimentalJsExport
+// !RENDER_DIAGNOSTICS_MESSAGES
+
+package foo
+
+@JsExport
+class C(val x: String) {
+    constructor(x: Int): this(x.toString())
+}
+
+@JsExport
+class C2(val x: String) {
+    @JsName("JsNameProvided")
+    constructor(x: Int): this(x.toString())
+}