docs(wait): add Go doc comments to all String() methods

Add standard Go documentation comments to all String() method
implementations across wait strategies for better code documentation
and godoc generation.

Changes:
- Add "String returns a human-readable description of the wait strategy"
  comment to all String() methods in:
  - ExecStrategy
  - HealthStrategy
  - LogStrategy
  - HostPortStrategy
  - FileStrategy
  - ExitStrategy
  - NopStrategy
  - waitForSQL
  - TLSStrategy
  - MultiStrategy

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: mdelapenya

wait/all.go

@@ -53,6 +53,7 @@ func (ms *MultiStrategy) Timeout() *time.Duration {
 	return ms.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ms *MultiStrategy) String() string {
 	if len(ms.Strategies) == 0 {
 		return "all of: (none)"

wait/exec.go

@@ -77,6 +77,7 @@ func (ws *ExecStrategy) Timeout() *time.Duration {
 	return ws.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ws *ExecStrategy) String() string {
 	if len(ws.cmd) == 0 {
 		return "exec command"

wait/exit.go

@@ -59,6 +59,7 @@ func (ws *ExitStrategy) Timeout() *time.Duration {
 	return ws.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ws *ExitStrategy) String() string {
 	return "container to exit"
 }

wait/file.go

@@ -61,6 +61,7 @@ func (ws *FileStrategy) Timeout() *time.Duration {
 	return ws.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ws *FileStrategy) String() string {
 	if ws.matcher != nil {
 		return fmt.Sprintf("file %q to exist and match condition", ws.file)

wait/health.go

@@ -60,6 +60,7 @@ func (ws *HealthStrategy) Timeout() *time.Duration {
 	return ws.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ws *HealthStrategy) String() string {
 	return "container to become healthy"
 }

wait/host_port.go

@@ -114,6 +114,7 @@ func (hp *HostPortStrategy) Timeout() *time.Duration {
 	return hp.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (hp *HostPortStrategy) String() string {
 	port := "first exposed port"
 	if hp.Port != "" {

wait/log.go

@@ -123,6 +123,7 @@ func (ws *LogStrategy) Timeout() *time.Duration {
 	return ws.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ws *LogStrategy) String() string {
 	logType := "log message"
 	if ws.IsRegexp {

wait/nop.go

@@ -33,6 +33,7 @@ func (ws *NopStrategy) Timeout() *time.Duration {
 	return ws.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ws *NopStrategy) String() string {
 	return "custom wait condition"
 }

wait/sql.go

@@ -61,6 +61,7 @@ func (w *waitForSQL) Timeout() *time.Duration {
 	return w.timeout
 }
 
+// String returns a human-readable description of the wait strategy.
 func (w *waitForSQL) String() string {
 	port := "default"
 	if w.Port != "" {

wait/tls.go

@@ -100,6 +100,7 @@ func (ws *TLSStrategy) TLSConfig() *tls.Config {
 	return ws.tlsConfig
 }
 
+// String returns a human-readable description of the wait strategy.
 func (ws *TLSStrategy) String() string {
 	var parts []string