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

We exclude testData pattern from copyright scope

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

@@ -0,0 +1,14 @@
+annotation class Anno(val s: String)
+
+@Deprecated("property")
+@Anno("property")
+@set:Deprecated("setter")
+var memberP<caret>roperty = 32
+    @Deprecated("getter")
+    @Anno("getter")
+    get() = field
+    @Anno("setter")
+    @setparam:[Deprecated("setparam") Anno("setparam")]
+    set(value) {
+        field = value
+    }