[Analysis API] add diagnostic test for delegate from library

^KT-62896

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/delegationToLibraryInterface.kt

@@ -0,0 +1,15 @@
+// IGNORE_FE10
+// KT-64503
+
+// MODULE: lib
+// MODULE_KIND: LibraryBinary
+// FILE: Lib.kt
+interface KotlinForDelegationInterface {
+    fun justFun()
+}
+
+open class KotlinAbsImplKtInterface(val delegate: KotlinForDelegationInterface) : KotlinForDelegationInterface by delegate
+
+// MODULE: main(lib)
+// FILE: usage.kt
+class UseLibDelegate(private val b: KotlinForDelegationInterface) : KotlinAbsImplKtInterface(b)

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/delegationToLibraryInterface.standalone.fir.txt

@@ -0,0 +1 @@
+Diagnostics from elements:

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/delegationToLibraryInterface.txt

@@ -0,0 +1,4 @@
+Diagnostics from elements:
+  for PSI element of type KtClass at (13,1) - (15,96)
+    ABSTRACT_MEMBER_NOT_IMPLEMENTED      text ranges: [(51,71)]
+      PSI: KtClass at (13,1) - (15,96)