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

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/getOrBuildFir/annotations/statementAnnotation.txt

@@ -0,0 +1,18 @@
+KT element: KtAnnotationEntry
+FIR element: FirAnnotationCallImpl
+FIR source kind: KtRealSourceElementKind
+
+FIR element rendered:
+@R|kotlin/Suppress|[Types](names = vararg(String()))
+
+FIR FILE:
+FILE: [ResolvedTo(IMPORTS)] statementAnnotation.kts
+    context(<script>@R|kotlin/script/templates/standard/ScriptTemplateWithArgs|)
+    SCRIPT: [ResolvedTo(BODY_RESOLVE)]
+        [ResolvedTo(BODY_RESOLVE)] lval args: R|kotlin/Array<kotlin/String>|
+
+        public final [ResolvedTo(CONTRACTS)] fun foo(): R|kotlin/Unit| {
+        }
+
+        public final [ResolvedTo(BODY_RESOLVE)] val $$result: R|kotlin/Unit| = @R|kotlin/Suppress|[Types](names = vararg(String())) R|/foo|()
+            public [ResolvedTo(BODY_RESOLVE)] get(): R|kotlin/Unit|