[SLC] fix testData dir name

analysis/symbol-light-classes/testData/additionalFiles/Nullable.java

@@ -0,0 +1,10 @@
+package org.jetbrains.annotations;
+
+import java.lang.annotation.*;
+
+@Documented
+@Retention(RetentionPolicy.CLASS)
+@Target({ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER, ElementType.LOCAL_VARIABLE})
+public @interface Nullable {
+    @NonNls String value() default "";
+}