Mock out getTarget in LSP tests to avoid loading real package info

Author: plemarquand

src/commands/generateSourcekitConfiguration.ts

@@ -130,16 +130,9 @@ async function checkURLExists(url: string): Promise<boolean> {
 export async function determineSchemaURL(folderContext: FolderContext): Promise<string> {
     const version = folderContext.toolchain.swiftVersion;
     const versionString = `${version.major}.${version.minor}`;
+    let branch =
+        configuration.lspConfigurationBranch || (version.dev ? "main" : `release/${versionString}`);
 
-    // If configuration branch is set, use it
-    if (configuration.lspConfigurationBranch) {
-        return schemaURL(configuration.lspConfigurationBranch);
-    }
-
-    // Determine branch based on version
-    let branch = version.dev ? "main" : `release/${versionString}`;
-
-    // Check if the branch-specific URL exists, fallback to main if not
     if (!(await checkURLExists(schemaURL(branch)))) {
         branch = "main";
     }

test/integration-tests/testexplorer/LSPTestDiscovery.test.ts

@@ -88,6 +88,10 @@ suite("LSPTestDiscovery Suite", () => {
     beforeEach(async function () {
         this.timeout(10000000);
         pkg = await SwiftPackage.create(file);
+
+        // Provde an undefined target as a mock to avoid loading actual package info.
+        pkg.getTarget = () => Promise.resolve(undefined);
+
         client = new TestLanguageClient();
         discoverer = new LSPTestDiscovery(
             instance(