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

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/getOrBuildFir/calls/functionCallArgumentListScript.txt

@@ -0,0 +1,19 @@
+KT element: KtValueArgumentList
+FIR element: FirResolvedArgumentListImpl
+FIR source kind: KtRealSourceElementKind
+
+FIR element rendered:
+Int(1)String(2)
+
+FIR FILE:
+FILE: [ResolvedTo(IMPORTS)] functionCallArgumentListScript.kts
+    context(<script>@R|kotlin/script/templates/standard/ScriptTemplateWithArgs|)
+    SCRIPT: [ResolvedTo(TYPES)] 
+        [ResolvedTo(RAW_FIR)] lval args: R|kotlin/Array<kotlin/String>|
+
+        public final [ResolvedTo(CONTRACTS)] fun callMe([ResolvedTo(CONTRACTS)] x: R|kotlin/Int|, [ResolvedTo(CONTRACTS)] y: R|kotlin/String|): R|kotlin/Unit| {
+        }
+
+        public final [ResolvedTo(BODY_RESOLVE)] fun foo(): R|kotlin/Unit| {
+            R|/callMe|(Int(1), String(2))
+        }