false positive failure with junit on skipped tests

[satanTime]

Hi guys,

I'm facing an issue, when unit tests are skipped, but if I use junit reporter, then the report contains 3 failures which actually aren't failures, because the tests are skipped.

Steps to reproduce:

1. clone https://github.com/ike18t/ng-mocks (master branch)
2. execute npm install
3. execute npm run test -- --reporters junit
4. check test-reports/specs-junit.xml

Actual behavior:

<testcase name="double-decorator-ivy:without-selector default fails" time="0" classname="double-decorator-ivy:without-selector default">
    <skipped/>
    <failure type="">Error: Directive BaseClass has no selector, please add it!
error properties: Object({ ngSyntaxError: true })
Error: Directive BaseClass has no selector, please add it!
    at syntaxError (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:68525:21)
    at /var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:89275:48
    at &lt;Jasmine&gt;
    at CompileMetadataResolver.getNgModuleMetadata (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:89267:58)
    at CompileMetadataResolver.getNgModuleSummary (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:89139:39)
    at /var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:89226:59
    at &lt;Jasmine&gt;
    at CompileMetadataResolver.getNgModuleMetadata (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:89204:53)
    at JitCompiler._loadModules (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:95375:55)
    at JitCompiler._compileModuleAndAllComponents (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:95363:40)
    at JitCompiler.compileModuleAndAllComponentsAsync (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:95320:41)
    at CompilerImpl.compileModuleAndAllComponentsAsync (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:105517:35)
    at TestingCompilerImpl.compileModuleAndAllComponentsAsync (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:106281:35)
    at TestBedViewEngine.compileComponents (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:102922:35)
    at Function.TestBedViewEngine.compileComponents (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:102783:33)
    at UserContext.&lt;anonymous&gt; (tests/double-decorator/without-selector-ivy.spec.ts:53:10 &lt;- tests/double-decorator/without-selector-ivy.spec.js:113:16)
    at ZoneDelegate.invoke (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:392:30)
    at ProxyZoneSpec.onInvoke (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:4020:43)
    at ZoneDelegate.invoke (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:391:36)
    at Zone.run (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:149:47)
    at runInTestZone (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:3783:38)
    at UserContext.&lt;anonymous&gt; (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:3798:24)
    at &lt;Jasmine&gt;
    at ZoneDelegate.invokeTask (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:427:35)
    at Zone.runTask (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:194:51)
    at drainMicroTaskQueue (/var/folders/d1/z3hb5nb10yx220j2xnhb9qn00000gn/T/karma-typescript-bundle--57785-uqzgASV3c6pX-.js:607:39)
</failure>
</testcase>

Expected behavior:
skipped tests aren't executed with junit reporter

Might you help with that? thanks in advance!