.build,cmd: add -race to test programs

It's not possible to set GOFLAGS=-race because some programs are
built for webassembly where -race is not supported.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

.builds/linux.yml

@@ -28,11 +28,11 @@ tasks:
      sudo apt install -y google-chrome-stable
  - test_gio: |
      cd gio
-     go test ./...
+     go test -race ./...
      GOOS=windows go test -exec=wine ./...
  - test_example: |
      cd gio/example
-     go test ./...
+     go test -race ./...
  - test_cmd: |
      cd gio/cmd
      go test ./...

cmd/gogio/wayland_test.go

@@ -72,7 +72,7 @@ func (d *WaylandTestDriver) Start(t_ *testing.T, path string, width, height int)
 	cleanups = append(cleanups, func() { os.RemoveAll(dir) })
 
 	bin := filepath.Join(dir, "red")
-	cmd := exec.Command("go", "build", "-tags", "nox11", "-o="+bin, path)
+	cmd := exec.Command("go", "build", "-race", "-tags", "nox11", "-o="+bin, path)
 	if out, err := cmd.CombinedOutput(); err != nil {
 		d.t.Fatalf("could not build app: %s:\n%s", err, out)
 	}

cmd/gogio/x11_test.go

@@ -69,7 +69,7 @@ func (d *X11TestDriver) Start(t_ *testing.T, path string, width, height int) (cl
 	cleanups = append(cleanups, func() { os.RemoveAll(dir) })
 
 	bin := filepath.Join(dir, "red")
-	cmd := exec.Command("go", "build", "-tags", "nowayland", "-o="+bin, path)
+	cmd := exec.Command("go", "build", "-race", "-tags", "nowayland", "-o="+bin, path)
 	if out, err := cmd.CombinedOutput(); err != nil {
 		d.t.Fatalf("could not build app: %s:\n%s", err, out)
 	}