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

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/getOrBuildFir/declarations/kt60387.kt

@@ -0,0 +1,31 @@
+// LOOK_UP_FOR_ELEMENT_OF_TYPE: org.jetbrains.kotlin.psi.KtProperty
+// FILE: KotlinFile.kt
+package one.three
+
+import one.four.Manager
+
+class KotlinFile {
+    <expr>private val branchManager: Manager? = null</expr>
+}
+
+// FILE: one/four/Manager.java
+package one.four;
+
+import one.two.Service;
+import static one.three.KotlinFile.*;
+
+@Service(Service.Level.PROJECT)
+public class Manager {
+}
+
+// FILE: one/two/Service.java
+package one.two;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+public @interface Service {
+    Level[] value() default Level.APP;
+
+    enum Level {APP, PROJECT}
+}