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

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

@@ -0,0 +1,8 @@
+// FILE: main.kt
+package test
+
+import <caret>Klass
+
+// FILE: Klass.kt
+class Klass {
+}