Unexpected value 'undefined' imported by the module 'DynamicTestModule'

[vladilins]

It breaks ng test error properties: Object({ ngSyntaxError: true }) Error: Unexpected value 'undefined' imported by the module 'DynamicTestModule' at syntaxError (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm5/compiler.js:1021:1) at http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm5/compiler.js:10589:1 at <Jasmine> at CompileMetadataResolver.push../node_modules/@angular/compiler/fesm5/compiler.js.CompileMetadataResolver.getNgModuleMetadata (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm5/compiler.js:10558:1) at JitCompiler.push../node_modules/@angular/compiler/fesm5/compiler.js.JitCompiler._loadModules (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm5/compiler.js:23876:1) at JitCompiler.push../node_modules/@angular/compiler/fesm5/compiler.js.JitCompiler._compileModuleAndAllComponents (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm5/compiler.js:23864:1) at JitCompiler.push../node_modules/@angular/compiler/fesm5/compiler.js.JitCompiler.compileModuleAndAllComponentsAsync (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm5/compiler.js:23823:1) at CompilerImpl.push../node_modules/@angular/platform-browser-dynamic/fesm5/platform-browser-dynamic.js.CompilerImpl.compileModuleAndAllComponentsAsync (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/platform-browser-dynamic/fesm5/platform-browser-dynamic.js:153:1) at TestingCompilerImpl.push../node_modules/@angular/platform-browser-dynamic/fesm5/testing.js.TestingCompilerImpl.compileModuleAndAllComponentsAsync (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/platform-browser-dynamic/fesm5/testing.js:220:1) at TestBed.push../node_modules/@angular/core/fesm5/testing.js.TestBed.compileComponents (http://localhost:9876/_karma_webpack_/webpack:/node_modules/@angular/core/fesm5/testing.js:945:1)