[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/resolve/companion.kt

@@ -0,0 +1,17 @@
+package test
+
+abstract class Some {
+    companion object {
+        class InCompanion
+    }
+
+    abstract val x: InCompanion
+}
+
+abstract class Another {
+    companion object NamedCompanion {
+        class InCompanion
+    }
+
+    abstract val x: InCompanion
+}