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

analysis/analysis-api/testData/referenceResolve/FakeJavaLang3.kt

@@ -0,0 +1,15 @@
+// UNRESOLVED_REFERENCE
+// FILE: main.kt
+package nonRoot
+import java.lang.*
+
+fun foo() {
+    <caret>Fake()
+}
+
+// FILE: java.java
+class java {
+    class lang {
+        class Fake()
+    }
+}