Introduce HighlightingWithDependentLibrariesTest

This tests that LibraryInfo dependencies affect source files highlighting

idea/testData/highlightingWithDependentLibraries/lib1/lib1.kt

@@ -0,0 +1,9 @@
+package lib1
+
+public open class Base {
+    public open fun baseFun() {
+    }
+}
+
+public fun acceptBase(b: Base) {
+}

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 {
+
+}

idea/testData/highlightingWithDependentLibraries/module/usingLibs.kt

@@ -0,0 +1,16 @@
+package using.libs
+
+import lib2.extendBase
+
+//check that references to lib1 entities obtained through lib2 are valid
+fun main() {
+    lib1.acceptBase(lib1.Base())
+    lib2.acceptBase(lib1.Base())
+    lib2.acceptBase(lib2.Derived())
+    lib1.acceptBase(lib2.Derived())
+    lib1.acceptBase(lib2.returnBase())
+    lib1.Base().extendBase()
+    lib1.Base().baseFun()
+    lib2.Derived().baseFun()
+    lib2.Derived().derivedFun()
+}