adding missingt test in context package

internal/pkg/pm2/dummy.go

@@ -0,0 +1,46 @@
+package pm2
+
+type dummyProcess struct {
+	isViable bool
+}
+
+// NewDummyProcess returns a dummy
+// process.
+func NewDummyProcess(isViable bool) Process {
+	return dummyProcess{
+		isViable: isViable,
+	}
+}
+
+func (p dummyProcess) Fullname() string {
+	return "dummy process"
+}
+
+func (p dummyProcess) Start() error {
+	return nil
+}
+
+func (p dummyProcess) IsViable() bool {
+	return p.isViable
+}
+
+func (p dummyProcess) Stop() error {
+	return nil
+}
+
+func (p dummyProcess) args() []string {
+	return []string{}
+}
+
+func (p dummyProcess) binary() string {
+	return "dummy"
+}
+
+func (p dummyProcess) warmup() {
+	// let's do nothing.
+}
+
+// Compile-time checks to ensure type implements desired interfaces.
+var (
+	_ = Process(new(dummyProcess))
+)