diff --git a/core/profiles/config_installer/src/Tests/ConfigInstallerFrTarballTest.php b/core/profiles/config_installer/src/Tests/ConfigInstallerFrTarballTest.php
index 161bf04..0666bf2 100644
--- a/core/profiles/config_installer/src/Tests/ConfigInstallerFrTarballTest.php
+++ b/core/profiles/config_installer/src/Tests/ConfigInstallerFrTarballTest.php
@@ -15,18 +15,11 @@
 class ConfigInstallerFrTarballTest extends ConfigInstallerTestBase {
 
   /**
-   * The french tarball of the minimal profile configuration exported.
-   *
-   * @var string
-   */
-  protected $tarball = __DIR__ . '/Fixtures/minimal-fr.tar.gz';
-
-  /**
    * {@inheritdoc}
    */
   protected function setUpSyncForm() {
     // Upload the tarball.
-    $this->drupalPostForm(NULL, ['files[import_tarball]' => $this->tarball], 'Save and continue');
+    $this->drupalPostForm(NULL, ['files[import_tarball]' => $this->getTarball()], 'Save and continue');
   }
 
   /**
@@ -75,4 +68,12 @@ protected function getPo($langcode) {
 ENDPO;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  protected function getTarball() {
+    // Exported configuration after a minimal profile install in French.
+    return  __DIR__ . '/Fixtures/minimal-fr.tar.gz';
+  }
+
 }
diff --git a/core/profiles/config_installer/src/Tests/ConfigInstallerSyncTest.php b/core/profiles/config_installer/src/Tests/ConfigInstallerSyncTest.php
index 28527de..ae785e0 100644
--- a/core/profiles/config_installer/src/Tests/ConfigInstallerSyncTest.php
+++ b/core/profiles/config_installer/src/Tests/ConfigInstallerSyncTest.php
@@ -53,7 +53,7 @@ protected function setUpSyncForm() {
     drupal_mkdir($this->syncDir);
 
     // Extract the tarball into the sync directory.
-    $archiver = new ArchiveTar($this->tarball, 'gz');
+    $archiver = new ArchiveTar($this->getTarball(), 'gz');
     $files = [];
     foreach ($archiver->listContent() as $file) {
       $files[] = $file['filename'];
diff --git a/core/profiles/config_installer/src/Tests/ConfigInstallerTarballTest.php b/core/profiles/config_installer/src/Tests/ConfigInstallerTarballTest.php
index 4aa2526..d016abf 100644
--- a/core/profiles/config_installer/src/Tests/ConfigInstallerTarballTest.php
+++ b/core/profiles/config_installer/src/Tests/ConfigInstallerTarballTest.php
@@ -19,7 +19,7 @@ class ConfigInstallerTarballTest extends ConfigInstallerTestBase {
    */
   protected function setUpSyncForm() {
     // Upload the tarball.
-    $this->drupalPostForm(NULL, ['files[import_tarball]' => $this->tarball], 'Save and continue');
+    $this->drupalPostForm(NULL, ['files[import_tarball]' => $this->getTarball()], 'Save and continue');
   }
 
 }
diff --git a/core/profiles/config_installer/src/Tests/ConfigInstallerTestBase.php b/core/profiles/config_installer/src/Tests/ConfigInstallerTestBase.php
index 3c3a437..d7ffee7 100644
--- a/core/profiles/config_installer/src/Tests/ConfigInstallerTestBase.php
+++ b/core/profiles/config_installer/src/Tests/ConfigInstallerTestBase.php
@@ -26,13 +26,6 @@
   protected $profile = 'config_installer';
 
   /**
-   * The tarball of the minimal profile configuration exported.
-   *
-   * @var string
-   */
-  protected $tarball = __DIR__ . '/Fixtures/minimal.tar.gz';
-
-  /**
    * Ensures that the user page is available after installation.
    */
   public function testInstaller() {
@@ -114,4 +107,14 @@ protected function setUpInstallConfigureForm() {
     $this->drupalPostForm(NULL, $edit, $this->translations['Save and continue']);
   }
 
+  /**
+   * Gets the tarball for testing.
+   *
+   * @var string
+   */
+  protected function getTarball() {
+    // Exported configuration after a minimal profile install.
+    return __DIR__ . '/Fixtures/minimal.tar.gz';
+  }
+
 }