diff --git a/server/common/ginext/gin.go b/server/common/ginext/gin.go
index 3fc7f2b..8089df1 100644
--- a/server/common/ginext/gin.go
+++ b/server/common/ginext/gin.go
@@ -5,6 +5,8 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
+var SuppressGinLogs = false
+
 func NewEngine(cfg scn.Config) *gin.Engine {
 	engine := gin.New()
 
@@ -14,7 +16,13 @@ func NewEngine(cfg scn.Config) *gin.Engine {
 	engine.Use(CorsMiddleware())
 
 	if cfg.GinDebug {
-		engine.Use(gin.Logger())
+		ginlogger := gin.Logger()
+		engine.Use(func(context *gin.Context) {
+			if SuppressGinLogs {
+				return
+			}
+			ginlogger(context)
+		})
 	}
 
 	return engine
diff --git a/server/config.go b/server/config.go
index d92aeb0..fcb6516 100644
--- a/server/config.go
+++ b/server/config.go
@@ -56,7 +56,7 @@ var configLocHost = func() Config {
 		DBFile:              ".run-data/db.sqlite3",
 		DBJournal:           "WAL",
 		DBTimeout:           5 * time.Second,
-		DBCheckForeignKeys:  true,
+		DBCheckForeignKeys:  false,
 		DBMaxOpenConns:      5,
 		DBMaxIdleConns:      5,
 		DBConnMaxLifetime:   60 * time.Minute,
@@ -90,7 +90,7 @@ var configLocDocker = func() Config {
 		DBFile:              "/data/scn_docker.sqlite3",
 		DBJournal:           "WAL",
 		DBTimeout:           5 * time.Second,
-		DBCheckForeignKeys:  true,
+		DBCheckForeignKeys:  false,
 		DBMaxOpenConns:      5,
 		DBMaxIdleConns:      5,
 		DBConnMaxLifetime:   60 * time.Minute,
@@ -124,7 +124,7 @@ var configDev = func() Config {
 		DBFile:              "/data/scn.sqlite3",
 		DBJournal:           "WAL",
 		DBTimeout:           5 * time.Second,
-		DBCheckForeignKeys:  true,
+		DBCheckForeignKeys:  false,
 		DBMaxOpenConns:      5,
 		DBMaxIdleConns:      5,
 		DBConnMaxLifetime:   60 * time.Minute,
@@ -158,7 +158,7 @@ var configStag = func() Config {
 		DBFile:              "/data/scn.sqlite3",
 		DBJournal:           "WAL",
 		DBTimeout:           5 * time.Second,
-		DBCheckForeignKeys:  true,
+		DBCheckForeignKeys:  false,
 		DBMaxOpenConns:      5,
 		DBMaxIdleConns:      5,
 		DBConnMaxLifetime:   60 * time.Minute,
@@ -192,7 +192,7 @@ var configProd = func() Config {
 		DBFile:              "/data/scn.sqlite3",
 		DBJournal:           "WAL",
 		DBTimeout:           5 * time.Second,
-		DBCheckForeignKeys:  true,
+		DBCheckForeignKeys:  false,
 		DBMaxOpenConns:      5,
 		DBMaxIdleConns:      5,
 		DBConnMaxLifetime:   60 * time.Minute,
diff --git a/server/test/util/factory.go b/server/test/util/factory.go
index ba4501c..82b9e67 100644
--- a/server/test/util/factory.go
+++ b/server/test/util/factory.go
@@ -4,6 +4,7 @@ import (
 	"blackforestbytes.com/simplecloudnotifier/logic"
 	"fmt"
 	"github.com/gin-gonic/gin"
+	"github.com/rs/zerolog/log"
 	"gogs.mikescher.com/BlackForestBytes/goext/timeext"
 	"gopkg.in/loremipsum.v1"
 	"testing"
@@ -266,6 +267,17 @@ var messageExamples = []msgex{
 }
 
 func InitDefaultData(t *testing.T, ws *logic.Application) {
+
+	// set logger to buffer, only output if error occured
+	success := false
+	SetBufLogger()
+	defer func() {
+		ClearBufLogger(!success)
+		if success {
+			log.Info().Msgf("Succesfully initialized default data (%d messages, %d users)", len(messageExamples), len(userExamples))
+		}
+	}()
+
 	baseUrl := "http://127.0.0.1:" + ws.Port
 
 	users := make([]userdat, 0, len(userExamples))
@@ -347,6 +359,8 @@ func InitDefaultData(t *testing.T, ws *logic.Application) {
 
 		RequestPost[gin.H](t, baseUrl, "/", body)
 	}
+
+	success = true
 }
 
 func lipsum(seed int64, paracount int) string {
diff --git a/server/test/util/init.go b/server/test/util/init.go
index 3e06010..7721168 100644
--- a/server/test/util/init.go
+++ b/server/test/util/init.go
@@ -4,24 +4,32 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
+	"io"
 	"os"
 )
 
 func InitTests() {
-	cw := zerolog.ConsoleWriter{
+	log.Logger = createLogger(createConsoleWriter())
+
+	gin.SetMode(gin.TestMode)
+	zerolog.SetGlobalLevel(zerolog.DebugLevel)
+}
+
+func createConsoleWriter() *zerolog.ConsoleWriter {
+	return &zerolog.ConsoleWriter{
 		Out:        os.Stdout,
 		TimeFormat: "2006-01-02 15:04:05.000 Z07:00",
 	}
+}
 
+func createLogger(cw io.Writer) zerolog.Logger {
 	zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
+
 	multi := zerolog.MultiLevelWriter(cw)
 	logger := zerolog.New(multi).With().
 		Timestamp().
 		Caller().
 		Logger()
 
-	log.Logger = logger
-
-	gin.SetMode(gin.TestMode)
-	zerolog.SetGlobalLevel(zerolog.DebugLevel)
+	return logger
 }
diff --git a/server/test/util/log.go b/server/test/util/log.go
new file mode 100644
index 0000000..68faa55
--- /dev/null
+++ b/server/test/util/log.go
@@ -0,0 +1,47 @@
+package util
+
+import (
+	"blackforestbytes.com/simplecloudnotifier/common/ginext"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"github.com/rs/zerolog/log"
+)
+
+var buflogger *BufferWriter = nil
+
+func SetBufLogger() {
+	buflogger = &BufferWriter{cw: createConsoleWriter()}
+	log.Logger = createLogger(buflogger)
+	gin.SetMode(gin.ReleaseMode)
+	ginext.SuppressGinLogs = true
+}
+
+func ClearBufLogger(dump bool) {
+	size := len(buflogger.buffer)
+	if dump {
+		buflogger.Dump()
+	}
+	log.Logger = createLogger(createConsoleWriter())
+	buflogger = nil
+	gin.SetMode(gin.TestMode)
+	ginext.SuppressGinLogs = false
+	if !dump {
+		log.Info().Msgf("Suppressed %d logmessages / printf-statements", size)
+	}
+}
+
+func TPrintf(format string, a ...any) {
+	if buflogger != nil {
+		buflogger.Printf(format, a...)
+	} else {
+		fmt.Printf(format, a...)
+	}
+}
+
+func TPrintln(a ...any) {
+	if buflogger != nil {
+		buflogger.Println(a...)
+	} else {
+		fmt.Println(a...)
+	}
+}
diff --git a/server/test/util/logbuffer.go b/server/test/util/logbuffer.go
new file mode 100644
index 0000000..0ef7963
--- /dev/null
+++ b/server/test/util/logbuffer.go
@@ -0,0 +1,38 @@
+package util
+
+import (
+	"fmt"
+	"github.com/rs/zerolog"
+)
+
+type BufferWriter struct {
+	cw *zerolog.ConsoleWriter
+
+	buffer []func(cw *zerolog.ConsoleWriter)
+}
+
+func (b *BufferWriter) Write(p []byte) (n int, err error) {
+	b.buffer = append(b.buffer, func(cw *zerolog.ConsoleWriter) {
+		_, _ = cw.Write(p)
+	})
+	return len(p), nil
+}
+
+func (b *BufferWriter) Dump() {
+	for _, v := range b.buffer {
+		v(b.cw)
+	}
+	b.buffer = nil
+}
+
+func (b *BufferWriter) Println(a ...any) {
+	b.buffer = append(b.buffer, func(cw *zerolog.ConsoleWriter) {
+		fmt.Println(a...)
+	})
+}
+
+func (b *BufferWriter) Printf(format string, a ...any) {
+	b.buffer = append(b.buffer, func(cw *zerolog.ConsoleWriter) {
+		fmt.Printf(format, a...)
+	})
+}
diff --git a/server/test/util/requests.go b/server/test/util/requests.go
index 3f33465..b608de0 100644
--- a/server/test/util/requests.go
+++ b/server/test/util/requests.go
@@ -89,7 +89,7 @@ func RequestAuthDeleteShouldFail(t *testing.T, akey string, baseURL string, urlS
 func RequestAny[TResult any](t *testing.T, akey string, method string, baseURL string, urlSuffix string, body any) TResult {
 	client := http.Client{}
 
-	fmt.Printf("[-> REQUEST] (%s) %s%s [%s] [%s]\n", method, baseURL, urlSuffix, langext.Conditional(akey == "", "NO AUTH", "AUTH"), langext.Conditional(body == nil, "NO BODY", "BODY"))
+	TPrintf("[-> REQUEST] (%s) %s%s [%s] [%s]\n", method, baseURL, urlSuffix, langext.Conditional(akey == "", "NO AUTH", "AUTH"), langext.Conditional(body == nil, "NO BODY", "BODY"))
 
 	bytesbody := make([]byte, 0)
 	contentType := ""
@@ -144,12 +144,12 @@ func RequestAny[TResult any](t *testing.T, akey string, method string, baseURL s
 		TestFailErr(t, err)
 	}
 
-	fmt.Println("")
-	fmt.Printf("----------------  RESPONSE (%d) ----------------\n", resp.StatusCode)
-	fmt.Println(langext.TryPrettyPrintJson(string(respBodyBin)))
+	TPrintln("")
+	TPrintf("----------------  RESPONSE (%d) ----------------\n", resp.StatusCode)
+	TPrintln(langext.TryPrettyPrintJson(string(respBodyBin)))
 	TryPrintTraceObj("----------------  --------  ----------------", respBodyBin, "")
-	fmt.Println("----------------  --------  ----------------")
-	fmt.Println("")
+	TPrintln("----------------  --------  ----------------")
+	TPrintln("")
 
 	if resp.StatusCode != 200 {
 		TestFail(t, "Statuscode != 200")
@@ -166,7 +166,7 @@ func RequestAny[TResult any](t *testing.T, akey string, method string, baseURL s
 func RequestAuthAnyShouldFail(t *testing.T, akey string, method string, baseURL string, urlSuffix string, body any, statusCode int, errcode apierr.APIError) {
 	client := http.Client{}
 
-	fmt.Printf("[-> REQUEST] (%s) %s%s [%s] (should-fail with %d/%d)\n", method, baseURL, urlSuffix, langext.Conditional(akey == "", "NO AUTH", "AUTH"), statusCode, errcode)
+	TPrintf("[-> REQUEST] (%s) %s%s [%s] (should-fail with %d/%d)\n", method, baseURL, urlSuffix, langext.Conditional(akey == "", "NO AUTH", "AUTH"), statusCode, errcode)
 
 	bytesbody := make([]byte, 0)
 	contentType := ""
@@ -221,14 +221,14 @@ func RequestAuthAnyShouldFail(t *testing.T, akey string, method string, baseURL
 		TestFailErr(t, err)
 	}
 
-	fmt.Println("")
-	fmt.Printf("----------------  RESPONSE (%d) ----------------\n", resp.StatusCode)
-	fmt.Println(langext.TryPrettyPrintJson(string(respBodyBin)))
+	TPrintln("")
+	TPrintf("----------------  RESPONSE (%d) ----------------\n", resp.StatusCode)
+	TPrintln(langext.TryPrettyPrintJson(string(respBodyBin)))
 	if (statusCode != 0 && resp.StatusCode != statusCode) || (statusCode == 0 && resp.StatusCode == 200) {
 		TryPrintTraceObj("----------------  --------  ----------------", respBodyBin, "")
 	}
-	fmt.Println("----------------  --------  ----------------")
-	fmt.Println("")
+	TPrintln("----------------  --------  ----------------")
+	TPrintln("")
 
 	if statusCode != 0 && resp.StatusCode != statusCode {
 		TestFailFmt(t, "Statuscode != %d (expected failure)", statusCode)
@@ -267,13 +267,13 @@ func TryPrintTraceObj(prefix string, body []byte, suffix string) {
 		if v2, ok := v1["traceObj"]; ok {
 			if v3, ok := v2.(string); ok {
 				if prefix != "" {
-					fmt.Println(prefix)
+					TPrintln(prefix)
 				}
 
-				fmt.Println(strings.TrimSpace(v3))
+				TPrintln(strings.TrimSpace(v3))
 
 				if suffix != "" {
-					fmt.Println(suffix)
+					TPrintln(suffix)
 				}
 			}
 		}
diff --git a/server/test/util/webserver.go b/server/test/util/webserver.go
index 2811d5f..eebaee8 100644
--- a/server/test/util/webserver.go
+++ b/server/test/util/webserver.go
@@ -9,7 +9,6 @@ import (
 	"blackforestbytes.com/simplecloudnotifier/jobs"
 	"blackforestbytes.com/simplecloudnotifier/logic"
 	"blackforestbytes.com/simplecloudnotifier/push"
-	"fmt"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"os"
 	"path/filepath"
@@ -45,7 +44,7 @@ func StartSimpleWebserver(t *testing.T) (*logic.Application, func()) {
 		TestFailErr(t, err)
 	}
 
-	fmt.Println("DatabaseFile: " + dbfile)
+	TPrintln("DatabaseFile: " + dbfile)
 
 	conf := scn.Config{
 		Namespace:         "test",