[test] Move irJsText tests to irText directory

So that all irText tests could be found in one place

compiler/testData/ir/irText/js/dynamic/invokeOperator.kt.txt

@@ -0,0 +1,31 @@
+fun invoke() {
+}
+
+fun test1(a: dynamic): dynamic {
+  return a(1)
+}
+
+fun test2(a: dynamic): dynamic {
+  return a.invoke(1)
+}
+
+fun test3(a: dynamic, b: dynamic): dynamic {
+  return a(b)
+}
+
+fun test4(a: dynamic, b: dynamic): dynamic {
+  return a.invoke(b)
+}
+
+fun test5(a: dynamic, b: dynamic): dynamic {
+  return a(b)(b)
+}
+
+fun test6(a: dynamic, b: dynamic): dynamic {
+  return a(b).invoke(b)
+}
+
+fun test7(a: dynamic) {
+  return invoke()
+}
+