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

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/lazyResolve/script3.kts

@@ -0,0 +1,24 @@
+// RESOLVE_SCRIPT
+
+class UnusedClass {
+    var version: String = ""
+
+    fun execute() {
+        println(version)
+    }
+}
+
+fun unusedFunction() = 4
+fun build(action: () -> Unit) {}
+var unusedVariable = 4
+var variable = "str"
+
+build {
+    class A {
+        fun doo(i: Int) {
+
+        }
+    }
+}
+
+variable = "1"