[JS Tests] Prepare JS tests for testing backend diagnostics

- Introducing a backend diagnostic handler.
 - Moving JS diagnostic tests from test-common to
   js.test to avoid circular module dependencies.

^KT-61886 Fixed

wasm/wasm.tests/test/org/jetbrains/kotlin/wasm/test/converters/FirWasmKlibBackendFacade.kt

@@ -99,6 +99,6 @@ class FirWasmKlibBackendFacade(
         testServices.moduleDescriptorProvider.replaceModuleDescriptorForModule(module, moduleDescriptor)
         testServices.libraryProvider.setDescriptorAndLibraryByName(outputFile, moduleDescriptor, lib)
 
-        return BinaryArtifacts.KLib(File(outputFile))
+        return BinaryArtifacts.KLib(File(outputFile), inputArtifact.diagnosticReporter)
     }
 }