Microsoft.Build.Utilities.Task.Execute C# (CSharp) Method

        public abstract bool Execute();
    }

        private ProjectInfo ExecuteAndCheckSucceeds(Task task, string testFolder)
        {
            string expectedOutputFile = Path.Combine(testFolder, ExpectedProjectInfoFileName);
            Assert.IsFalse(File.Exists(expectedOutputFile), "Test error: output file should not exist before the task is executed");

            bool result = task.Execute();

            Assert.IsTrue(result, "Expecting the task execution to succeed");
            Assert.IsTrue(File.Exists(expectedOutputFile), "Expected output file was not created by the task. Expected: {0}", expectedOutputFile);
            this.TestContext.AddResultFile(expectedOutputFile);

            ProjectInfo reloadedProjectInfo = ProjectInfo.Load(expectedOutputFile);
            Assert.IsNotNull(reloadedProjectInfo, "Not expecting the reloaded project info file to be null");
            return reloadedProjectInfo;
        }