test(carthage): Fix the GitHub organization replacement

Fixup 9e4d666 to not replace `<REPLACE_GITHUB_ORGANIZATION>` with a
constant string (which defeats the purpose of adding that placeholder)
and use the actual GitHub organization name instead.

This should avoid test failures like the one at [1].

[1]: https://github.com/doubleopen-project/ort/actions/runs/8891375013/job/24413212066#step:7:1093

Signed-off-by: Sebastian Schuberth <sebastian@doubleopen.org>

plugins/package-managers/carthage/src/funTest/kotlin/CarthageFunTest.kt

@@ -22,13 +22,22 @@ package org.ossreviewtoolkit.plugins.packagemanagers.carthage
 import io.kotest.core.spec.style.StringSpec
 import io.kotest.matchers.should
 
+import java.io.File
+
 import org.ossreviewtoolkit.analyzer.create
 import org.ossreviewtoolkit.analyzer.resolveSingleProject
+import org.ossreviewtoolkit.downloader.VcsHost
+import org.ossreviewtoolkit.downloader.VersionControlSystem
 import org.ossreviewtoolkit.model.toYaml
+import org.ossreviewtoolkit.utils.ort.normalizeVcsUrl
 import org.ossreviewtoolkit.utils.test.getAssetFile
 import org.ossreviewtoolkit.utils.test.matchExpectedResult
 
 class CarthageFunTest : StringSpec({
+    val vcs = checkNotNull(VersionControlSystem.forDirectory(File(".")))
+    val vcsUrl = normalizeVcsUrl(vcs.getRemoteUrl())
+    val vcsHost = checkNotNull(VcsHost.fromUrl(vcsUrl))
+
     "Project dependencies are detected correctly" {
         val definitionFile = getAssetFile("projects/synthetic/carthage/Cartfile.resolved")
         val expectedResultFile = getAssetFile("projects/synthetic/carthage-expected-output.yml")
@@ -38,7 +47,7 @@ class CarthageFunTest : StringSpec({
         result.toYaml() should matchExpectedResult(
             expectedResultFile,
             definitionFile,
-            mapOf("<REPLACE_GITHUB_ORGANIZATION>" to "oss-review-toolkit")
+            mapOf("<REPLACE_GITHUB_ORGANIZATION>" to vcsHost.getUserOrOrganization(vcsUrl).orEmpty())
         )
     }
 })