Make sure tasks are available before proceeding with tasks (#1685)

Tasks are the basic building blocks of most of our features so most tests
will not go well if `swift` tasks cannot be provided. I think this failure
could be intermittently due to slower activation so will make sure tasks
are provided

Issue: #1684

Author: award999

src/tasks/SwiftTaskProvider.ts

@@ -135,7 +135,7 @@ export function resetBuildAllTaskCache() {
     buildAllTaskCache.reset();
 }
 
-function buildAllTaskName(folderContext: FolderContext, release: boolean): string {
+export function buildAllTaskName(folderContext: FolderContext, release: boolean): string {
     let buildTaskName = release
         ? `${SwiftTaskProvider.buildAllName} - Release`
         : SwiftTaskProvider.buildAllName;

test/integration-tests/utilities/testutilities.ts

@@ -25,7 +25,7 @@ import { isDeepStrictEqual } from "util";
 import { Version } from "../../../src/utilities/version";
 import { SwiftOutputChannel } from "../../../src/ui/SwiftOutputChannel";
 import configuration from "../../../src/configuration";
-import { resetBuildAllTaskCache } from "../../../src/tasks/SwiftTaskProvider";
+import { buildAllTaskName, resetBuildAllTaskCache } from "../../../src/tasks/SwiftTaskProvider";
 
 export function getRootWorkspaceFolder(): vscode.WorkspaceFolder {
     const result = vscode.workspace.workspaceFolders?.at(0);
@@ -365,6 +365,14 @@ export const folderInRootWorkspace = async (
     if (!folder) {
         folder = await workspaceContext.addPackageFolder(testAssetUri(name), workspaceFolder);
     }
+    let i = 0;
+    while (i++ < 5) {
+        const tasks = await vscode.tasks.fetchTasks({ type: "swift" });
+        if (tasks.find(t => t.name === buildAllTaskName(folder, false))) {
+            break;
+        }
+        await new Promise(r => setTimeout(r, 5000));
+    }
     return folder;
 };