[LL FIR] rename testdata to testData to avoid copyright generation

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/lazyResolve/localFunctionInsideSuperEntryCallScript.kts

@@ -0,0 +1,12 @@
+package one
+
+interface Interface {
+    fun foo(param: String)
+}
+
+open class ClassWithParameter(i: Interface)
+
+class TopLevelClass : ClassWithParameter(object : Interface {
+    override fun fo<caret>o(param: String) {
+    }
+})