Fixes #27616: "No build/test task defined" messages need update

src/vs/workbench/parts/tasks/electron-browser/task.contribution.ts

@@ -741,7 +741,11 @@ class TaskService extends EventEmitter implements ITaskService {
 		return this.getTaskSets().then((values) => {
 			let runnable = this.createRunnableTask(values, TaskGroup.Build);
 			if (!runnable || !runnable.task) {
-				throw new TaskError(Severity.Info, nls.localize('TaskService.noBuildTask', 'No build task defined. Mark a task with as \'build\' group in the tasks.json file.'), TaskErrors.NoBuildTask);
+				if (this.getJsonSchemaVersion() === JsonSchemaVersion.V0_1_0) {
+					throw new TaskError(Severity.Info, nls.localize('TaskService.noBuildTask1', 'No build task defined. Mark a task with \'isBuildCommand\' in the tasks.json file.'), TaskErrors.NoBuildTask);
+				} else {
+					throw new TaskError(Severity.Info, nls.localize('TaskService.noBuildTask2', 'No build task defined. Mark a task with as a \'build\' group in the tasks.json file.'), TaskErrors.NoBuildTask);
+				}
 			}
 			return this.executeTask(runnable.task, runnable.resolver);
 		}).then(value => value, (error) => {
@@ -762,7 +766,11 @@ class TaskService extends EventEmitter implements ITaskService {
 		return this.getTaskSets().then((values) => {
 			let runnable = this.createRunnableTask(values, TaskGroup.Test);
 			if (!runnable || !runnable.task) {
-				throw new TaskError(Severity.Info, nls.localize('TaskService.noTestTask', 'No test task defined. Mark a task with \'isTestCommand\' in the tasks.json file.'), TaskErrors.NoTestTask);
+				if (this.getJsonSchemaVersion() === JsonSchemaVersion.V0_1_0) {
+					throw new TaskError(Severity.Info, nls.localize('TaskService.noTestTask1', 'No test task defined. Mark a task with \'isTestCommand\' in the tasks.json file.'), TaskErrors.NoTestTask);
+				} else {
+					throw new TaskError(Severity.Info, nls.localize('TaskService.noTestTask2', 'No test task defined. Mark a task with as a \'test\' group in the tasks.json file.'), TaskErrors.NoTestTask);
+				}
 			}
 			return this.executeTask(runnable.task, runnable.resolver);
 		}).then(value => value, (error) => {