Introduce HighlightingWithDependentLibrariesTest

This tests that LibraryInfo dependencies affect source files highlighting

idea/testData/highlightingWithDependentLibraries/lib2/lib2.kt

@@ -0,0 +1,17 @@
+package lib2
+
+import lib1.*
+
+public class Derived(): Base() {
+    public fun derivedFun() {
+    }
+}
+
+public fun acceptBase(b: Base) {
+}
+
+public fun returnBase(): Base = Base()
+
+public fun Base.extendBase(): Unit {
+
+}