[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/qualifiedCallInsideSuperCallScript.kts

@@ -0,0 +1,12 @@
+// LOOK_UP_FOR_ELEMENT_OF_TYPE: org.jetbrains.kotlin.psi.KtSimpleNameExpression
+open class A(init: A.() -> Unit) {
+    val prop: String = ""
+}
+
+object B : A({})
+
+object C : A(
+    {
+        fun foo() = B.<expr>prop</expr>.toString()
+    }
+)