FIR IDE: move analysis api fir testdata to the analysis directory

analysis/analysis-api/testData/referenceResolve/InEnumEntry.kt

@@ -0,0 +1,7 @@
+package test
+
+val TOP_LEVEL = 5
+
+enum class MyEnum(value: Int) {
+    VALUE(<caret>TOP_LEVEL)
+}