message: use contains instead of regex
diff: @@ -9,7 +9,6 @@ import (
  "net/http"
  "os"
  "path"
  - "regexp"
  "strings"
  "testing"
  "time"
  @@ -253,7 +252,7 @@ func TestAccAwsPyServerlessRaw(t *testing.T) {
  Dir: path.Join(getCwd(t), "..", "..", "aws-py-serverless-raw"),
  ExtraRuntimeValidation: func(t *testing.T, stack integration.RuntimeValidationStackInfo) {
  assertHTTPResult(t, stack.Outputs["endpoint"].(string)+"/hello", nil, func(body string) bool {
  - return assert.Regexp(t, regexp.MustCompile("{\"Path\":\"hello\",\"Count\":[0-9]+}"), body)
  + return assert.Contains(t, body, "{\"Path\":\"hello\",\"Count\":1}")
  })
  },
  })
  @@ -497,7 +496,7 @@ func TestAccAwsTsServerlessRaw(t *testing.T) {
  Dir: path.Join(getCwd(t), "..", "..", "aws-ts-serverless-raw"),
  ExtraRuntimeValidation: func(t *testing.T, stack integration.RuntimeValidationStackInfo) {
  assertHTTPResult(t, stack.Outputs["endpoint"].(string)+"/hello", nil, func(body string) bool {
  - return assert.Regexp(t, regexp.MustCompile("{\"Path\":\"hello\",\"Count\":[0-9]+}"), body)
  + return assert.Contains(t, body, "{\"Path\":\"hello\",\"Count\":1}")
  })
  },
  })
  