Prevent TestFileWatcherInterval from running on CI

This test can fail intermittently. It's fine to run it only locally.

We were already doing this for TestSignalSentToProcessGroup.

Taskfile.yml

@@ -74,11 +74,11 @@ tasks:
     cmds:
       - go test {{catLines .GO_PACKAGES}}
 
-  test:signals:
-    desc: Runs test suite with signals tests included
+  test:all:
+    desc: Runs test suite with signals and watch tests included
     deps: [install, sleepit:build]
     cmds:
-      - go test {{catLines .GO_PACKAGES}} -tags signals
+      - go test {{catLines .GO_PACKAGES}} -tags 'signals watch'
 
   test-release:
     desc: Tests release process without publishing

task_test.go

@@ -10,7 +10,6 @@ import (
 	"runtime"
 	"strings"
 	"testing"
-	"time"
 
 	"github.com/stretchr/testify/assert"
 
@@ -1649,67 +1648,6 @@ func TestEvaluateSymlinksInPaths(t *testing.T) {
 	assert.NoError(t, err)
 }
 
-func TestFileWatcherInterval(t *testing.T) {
-	const dir = "testdata/watcher_interval"
-	expectedOutput := strings.TrimSpace(`
-task: Started watching for tasks: default
-task: [default] echo "Hello, World!"
-Hello, World!
-task: [default] echo "Hello, World!"
-Hello, World!
-	`)
-
-	var buff bytes.Buffer
-	e := &task.Executor{
-		Dir:    dir,
-		Stdout: &buff,
-		Stderr: &buff,
-		Watch:  true,
-	}
-
-	assert.NoError(t, e.Setup())
-	buff.Reset()
-
-	err := os.MkdirAll(filepathext.SmartJoin(dir, "src"), 0755)
-	assert.NoError(t, err)
-
-	err = os.WriteFile(filepathext.SmartJoin(dir, "src/a"), []byte("test"), 0644)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	ctx := context.Background()
-	ctx, cancel := context.WithCancel(ctx)
-
-	go func(ctx context.Context) {
-		for {
-			select {
-			case <-ctx.Done():
-				return
-			default:
-				err := e.Run(ctx, taskfile.Call{Task: "default"})
-				if err != nil {
-					return
-				}
-			}
-		}
-	}(ctx)
-
-	time.Sleep(10 * time.Millisecond)
-	err = os.WriteFile(filepathext.SmartJoin(dir, "src/a"), []byte("test updated"), 0644)
-	if err != nil {
-		t.Fatal(err)
-	}
-	time.Sleep(700 * time.Millisecond)
-	cancel()
-	assert.Equal(t, expectedOutput, strings.TrimSpace(buff.String()))
-	buff.Reset()
-	err = os.RemoveAll(filepathext.SmartJoin(dir, ".task"))
-	assert.NoError(t, err)
-	err = os.RemoveAll(filepathext.SmartJoin(dir, "src"))
-	assert.NoError(t, err)
-}
-
 func TestTaskfileWalk(t *testing.T) {
 	tests := []struct {
 		name     string

watch_test.go

@@ -0,0 +1,80 @@
+//go:build watch
+// +build watch
+
+package task_test
+
+import (
+	"bytes"
+	"context"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/go-task/task/v3"
+	"github.com/go-task/task/v3/internal/filepathext"
+	"github.com/go-task/task/v3/taskfile"
+)
+
+func TestFileWatcherInterval(t *testing.T) {
+	const dir = "testdata/watcher_interval"
+	expectedOutput := strings.TrimSpace(`
+task: Started watching for tasks: default
+task: [default] echo "Hello, World!"
+Hello, World!
+task: [default] echo "Hello, World!"
+Hello, World!
+	`)
+
+	var buff bytes.Buffer
+	e := &task.Executor{
+		Dir:    dir,
+		Stdout: &buff,
+		Stderr: &buff,
+		Watch:  true,
+	}
+
+	assert.NoError(t, e.Setup())
+	buff.Reset()
+
+	err := os.MkdirAll(filepathext.SmartJoin(dir, "src"), 0755)
+	assert.NoError(t, err)
+
+	err = os.WriteFile(filepathext.SmartJoin(dir, "src/a"), []byte("test"), 0644)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ctx := context.Background()
+	ctx, cancel := context.WithCancel(ctx)
+
+	go func(ctx context.Context) {
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			default:
+				err := e.Run(ctx, taskfile.Call{Task: "default"})
+				if err != nil {
+					return
+				}
+			}
+		}
+	}(ctx)
+
+	time.Sleep(10 * time.Millisecond)
+	err = os.WriteFile(filepathext.SmartJoin(dir, "src/a"), []byte("test updated"), 0644)
+	if err != nil {
+		t.Fatal(err)
+	}
+	time.Sleep(700 * time.Millisecond)
+	cancel()
+	assert.Equal(t, expectedOutput, strings.TrimSpace(buff.String()))
+	buff.Reset()
+	err = os.RemoveAll(filepathext.SmartJoin(dir, ".task"))
+	assert.NoError(t, err)
+	err = os.RemoveAll(filepathext.SmartJoin(dir, "src"))
+	assert.NoError(t, err)
+}