moved string w/o artifact hub

script/tool/lib/src/gradle_check_command.dart

@@ -229,18 +229,6 @@ plugins {
 }
   ''';
 
-  /// String printed as a valid example of settings.gradle repository
-  /// configuration without the artifact hub env variable.
-  /// GP stands for the gradle plugin method of flutter tooling inclusion.
-  @visibleForTesting
-  static String exampleSettingsWithoutArtifactHubStringGP = '''
-// See $artifactHubDocumentationString for more info.
-plugins {
-    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    // ...other plugins
-}
-  ''';
-
   /// Validates that [gradleLines] reads and uses a artifiact hub repository
   /// when ARTIFACT_HUB_REPOSITORY is set.
   ///

script/tool/test/gradle_check_command_test.dart

@@ -211,6 +211,17 @@ ${includeArtifactHub ? GradleCheckCommand.exampleRootSettingsArtifactHubString :
         .childFile('settings.gradle');
     settingsGradle.createSync(recursive: true);
 
+    /// String printed as a valid example of settings.gradle repository
+    /// configuration without the artifact hub env variable.
+    /// GP stands for the gradle plugin method of flutter tooling inclusion.
+    const String exampleSettingsWithoutArtifactHubStringGP = '''
+// See ${GradleCheckCommand.artifactHubDocumentationString} for more info.
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    // ...other plugins
+}
+  ''';
+
     settingsGradle.writeAsStringSync('''
 pluginManagement {
   def flutterSdkPath = {
@@ -229,7 +240,7 @@ pluginManagement {
     gradlePluginPortal()
   }
 }
-${includeArtifactHub ? GradleCheckCommand.exampleSettingsArtifactHubStringGP : GradleCheckCommand.exampleSettingsWithoutArtifactHubStringGP}
+${includeArtifactHub ? GradleCheckCommand.exampleSettingsArtifactHubStringGP : exampleSettingsWithoutArtifactHubStringGP}
 include ":app"
 ''');
   }