diff --git a/admission-webhook/.gitignore b/admission-webhook/.gitignore
index a82f8f3f..7625037f 100644
--- a/admission-webhook/.gitignore
+++ b/admission-webhook/.gitignore
@@ -1,3 +1,4 @@
 /dev/
 /integration_tests/tmp/
 /vendor/
+/testdata/
\ No newline at end of file
diff --git a/admission-webhook/main_test.go b/admission-webhook/main_test.go
index 98d4a21a..a9eb716c 100644
--- a/admission-webhook/main_test.go
+++ b/admission-webhook/main_test.go
@@ -144,3 +144,10 @@ func Test_env_bool(t *testing.T) {
 	os.Setenv(envkey, envVal)
 	env_bool("TEST_ENV_BOOL")
 }
+
+func TestMain(m *testing.M) {
+	GenerateTestCertAndKey()
+	code := m.Run() // run tests
+	ClearTestdata()
+	os.Exit(code)
+}
diff --git a/admission-webhook/testdata/cert.pem b/admission-webhook/testdata/cert.pem
deleted file mode 100644
index 300db313..00000000
--- a/admission-webhook/testdata/cert.pem
+++ /dev/null
@@ -1,29 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIFCTCCAvGgAwIBAgIUDlTAXZUZ0DGcutGxcspszdn4lAowDQYJKoZIhvcNAQEL
-BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MB4XDTI0MDIwODA2MDAyN1oXDTM0MDIw
-NTA2MDAyN1owFDESMBAGA1UEAwwJbG9jYWxob3N0MIICIjANBgkqhkiG9w0BAQEF
-AAOCAg8AMIICCgKCAgEAg1kVSkS0tl8+VMBH8nVwfXy3yNgDS5a8uWAFv62O1vI4
-KEOClNhPaFvihL7ubi3rhCmHoUfbIhe1MMqwV7mEXI+AVObs7Sf8feX5WkW6zJyF
-AByH8O37fGFfEsISJBcMwmS5/gCShPfUuG2vr7Zg28brxU+Ixp1DhA87X+A+CEG0
-JTH2LDiKMv86At/olH/IeDOH7j2tD25MThDN+xyKa9u2cpy73GcF822haUtFzmVX
-mA8Mw4Qs5B2lMPY3k/C2UaqRDnNFu+0U011hvAGFA4+Jw4Cvpy13/4kQQZ0JHSOD
-oy+jtbpqMQJn2oCMQ9DX0WQTS7E4W03y5gKS4v8xkUneAWuWoSwTm8TXRoAXbT3n
-ZqDXmdy69ckLiLgn/w5uAeKjeHdk522QiJ2MHqYRLJbzUQ6LsrYdcR3nhh1pgh5K
-tdnuz7HQtg77KR9g1X1aAT20SqV9rV85FwWI50dTfg8ehWXOSuXlZMlRUuMOn0a0
-iAyw+rCbaLvmuXwPZxuk/PPW+4lWwE1OqHSjs3iHl/fZM5AfmVS9Av3n3JRD2hrA
-2aoOnjiFSjI/9qzcjUl8LTvrzGFt3QWcVRDzMqNQW8qPvBFvxrRcZlPTElRM023p
-TO8P3k4n08EGgY+dV9s3xC6dnIkyVp7b2UtEDAC6E53mI2e+wG5uYrKu4QSaM9MC
-AwEAAaNTMFEwHQYDVR0OBBYEFCEw8jWYUa8ed+R5O9dxhUSVqBJwMB8GA1UdIwQY
-MBaAFCEw8jWYUa8ed+R5O9dxhUSVqBJwMA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZI
-hvcNAQELBQADggIBAAE7F7qZ4B5PzqydYRJ0Er39kdfEugs0L3/LYwHfQ4eJKedI
-CNXnSW+2kh5kQW9YnXy77VewZ/wtaZyGndNNocRKlN6X2yr97HOtuysdSvHuNmUl
-Dyk9brgPcRJK4YizO44DHuQmn0LUhxbeph2VjYxs6B5XEdD6aGFpljWNCHzuWqao
-so3uF588lhudSPVkx9VEWHF/N5BKQeJr6gPy1BB8rlSkD8ImxHmq7ledV7ri0mCS
-o5WO+17kaLBvyj5H8sN/M+zWPKMHLohe5BXFWwlgl8nGnaXNW0HaKhgyjGTZBZJe
-u5kTVQnhTDUo706K4BC8Zz78L6Xcb44FMUIRF5yZ8iKN2M6mPmEQmrE6aKEmiNxc
-j0Yfz5MGumog8goYEgOkxp49aI6zojOq7GskDVKo9NxPsfotASriDOhpe106F/yK
-cboL1oeL3pAjgICgwdy2pNawjDVNt8cadU4RAxF+m0gpa/xAsGhlz5YKsdOv/7V8
-Lb7KguUyYHmyBFwzJluhBrUWrGpPEKxdjrMbn/9G8b7AbXyV2w/9bwqkLvFU6qyJ
-vuv4HpHIywsm9tST8p62RDVRbWlYfBwWIsnz4sraOPJXt8SU9QE3XI3MLw3iiEbs
-1oToxKEj+6KbAgaC81cIkohZ+6RYnX+huhhe89Mgg0r7wWnt+huHiKLhGnm/
------END CERTIFICATE-----
diff --git a/admission-webhook/testdata/key.pem b/admission-webhook/testdata/key.pem
deleted file mode 100644
index 6f335be9..00000000
--- a/admission-webhook/testdata/key.pem
+++ /dev/null
@@ -1,52 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIJQQIBADANBgkqhkiG9w0BAQEFAASCCSswggknAgEAAoICAQCDWRVKRLS2Xz5U
-wEfydXB9fLfI2ANLlry5YAW/rY7W8jgoQ4KU2E9oW+KEvu5uLeuEKYehR9siF7Uw
-yrBXuYRcj4BU5uztJ/x95flaRbrMnIUAHIfw7ft8YV8SwhIkFwzCZLn+AJKE99S4
-ba+vtmDbxuvFT4jGnUOEDztf4D4IQbQlMfYsOIoy/zoC3+iUf8h4M4fuPa0PbkxO
-EM37HIpr27ZynLvcZwXzbaFpS0XOZVeYDwzDhCzkHaUw9jeT8LZRqpEOc0W77RTT
-XWG8AYUDj4nDgK+nLXf/iRBBnQkdI4OjL6O1umoxAmfagIxD0NfRZBNLsThbTfLm
-ApLi/zGRSd4Ba5ahLBObxNdGgBdtPedmoNeZ3Lr1yQuIuCf/Dm4B4qN4d2TnbZCI
-nYwephEslvNRDouyth1xHeeGHWmCHkq12e7PsdC2DvspH2DVfVoBPbRKpX2tXzkX
-BYjnR1N+Dx6FZc5K5eVkyVFS4w6fRrSIDLD6sJtou+a5fA9nG6T889b7iVbATU6o
-dKOzeIeX99kzkB+ZVL0C/efclEPaGsDZqg6eOIVKMj/2rNyNSXwtO+vMYW3dBZxV
-EPMyo1Bbyo+8EW/GtFxmU9MSVEzTbelM7w/eTifTwQaBj51X2zfELp2ciTJWntvZ
-S0QMALoTneYjZ77Abm5isq7hBJoz0wIDAQABAoICAB9DIDidkr+Hes/0Nguk3SHZ
-AetJUrt2hLPAgY3GMuXBIBGhQ97Gf1vw5sC+qwRJZLF/qvr9ndAHAYa7723px3G6
-bAqJLiIiLswOZSORziyuIk/M+qQjGITZriXKUEQLwmswSz6EB1ujmxtMbBDv4Sze
-Mzayv/S58JxpfbHLrygK72Qc+KE80dPigH23qmVR5raJWVSglGTEVWANSuF2QRH7
-6Phtip8iXD28vbrQgixmXYthJaIRfxfKYIt/Ruos1FAqvzzHvfTFMHxAUSdM20pm
-Kx1/rw8k2NdW2aosRMONNOMtzxLNbEH+9xYAG6J2fi+l2Jve8fF1Y5dQTIK/x52c
-QrpTpjTyejU7FfDxYcJflZovraaA7uLwsLnVB2KREEyjm0TBms0CraQDOdPfQqgr
-nNG0PbeahWhdzcPuE75K9fxKqeThPwN+WzoEccPjivDIvriBCSiDsiJKKCTj/x8r
-BDn2NvCBN0qmsxy0mjDjEzVuJCXs8N47aQ6VsKfhMihPiivXvUmxCmDHE+I4udqH
-nH5o9F88CtetjyZ0nqBN5c17O2t3f49PkQiAuUf6ZFSAPsTBYodd6OzgSqi+h0M2
-e9k3j4BN9CV0zTQVWKDTWLoYKB0D0WFML9FVG1mCL0iC6Cw5ATXWVDdTmQdv8vpt
-RcL6trjkUuQSDaXTq1BZAoIBAQC45bUSHdieI1BZtfV/BQoUllxlFYvONwqcgmoH
-nBgVX97Yj+fkGtCE1V11nQ8t5WmEKP46+gYbhUbJhJTA+NzwczAn0lsh8T67J6j3
-avNWb3hYghhKdUCOzRlxjehARXe9KVlsAYgvfM8dtto41rIXPGHDgLuWhhCQHVkf
-PR4EsI9+IoFI/ZwI7miXVkHgkqvVrZpX3f+yv4yXCGLjaTxYTDtxAZiPKWvaQFC1
-e3MA3BJkSTgWU0Q5ym6rwP7l0udkyMHgoA+UenZItlyqwWlHDvazsajk+FhD4xPF
-5ZenE6ukmo6lgtMQ+GR0M925N036kjbFKZTk5Wc2+AQh1ybZAoIBAQC127Dj8jRt
-KWNRR1eYsHIOxVRtPg0xltXajkfx3sfKjfLr4VJ5nLaF0p4yalgyb8P88Cn+KLcD
-ZnKSMPkgYMkLNVYbcHNLxhTPMLjOk7XmkXIpb7h4CcUe07J5BFNXTvavg91lmkQX
-udE0U3mtzl+8VJ4rKWbTRQrmSTVRiMrLeeWO8EBaFG9FoV3M5W/gclIuzpm6t64f
-1bODTyyPGghnPrk8dTvnbZBJd/ANp1mnt/55JdEF2Xh3Qug88gwzdU1f1+cfIdvY
-xVmIBR6XLSA3hKsEcUBy75Ki+VckD9sYCgW+k3W5YpxRrkmnyHf8ORGJ4uqiHJUW
-1hpx8hhZT3yLAoIBAHl5qVHiu/uBdfvKmSS/edT2yHM9CaIM9XLIF8MyIXyBhRZA
-zXhGybJLv+BStLNRotZKXGUA+NxB3rTs3xI9LmLnOr8e6/LL3Yv2TYNoB8FE8Qst
-Rao9iJGJXGsHcYwwV6+2p+JWy1Nvq195T7vCCjVL3Wsle5k0MVONhI0KiVtJaKzV
-HJ2IyWfwwlSTPiq+EhkLunh6CNE2GbbsspN4A0Z7px3ij4mXDB3S3XOuTGtHKuoq
-VKgOQqe5QKak4JK70nybjQz3++Rv5KB290DUW0dtJFYApdbw9oR7fvUol08UlFNL
-m+ZPoj3nA5B4tvZFyHyUbVlxrToJIZuyrHxTL1kCggEAdOUoSP1Q8bIe4wnmpoEU
-b6Yr5KR0OqHoCLpYSIKZDfw8X57QMtenA1Ik2ec9lf39jsKZW4O0T/00PAA6wrMz
-x36bQLwBgH1sttlskWylCfYH2da0ToSJLo2JNPywzXg2XQ936m1Ew7NvZCEcH7p+
-E0KZAMl2DOteXDRGj4hMQoqyIjUQSFbGR424C5KXXUBezzOB4WFcDZ6B6y+jRsDH
-EgZhbxk0TkhA7Nipdz1RBdvhOOIz/3yQUKizOymi6hjGiYrwRzSuaiJAsIwJ48bf
-5I/kldBuSvLv4M5BUy7V+BfJJX0HuQhHzsEnGzBi37+XJHi1tUqGEs3A5ell+VJ8
-jQKCAQA7fLze8yvK2Lh8KbNGFMyFp9KxzwHVkVaB/YQX4pN8hfnGhRIae6QTFp9U
-Q89bWvpEqXjfAvHW3cD8bR8HouHczK0Cj6ij4wwsCIIxj35Jn2hNyxWmL9+s/p3/
-jGdvXeUHtXI5pUinlRb3ix5zpPBPFn08F7sqRIi5fLMgkGi2UcaRzPsiBX6s81o5
-KSXG7gWqNt7o81Q4tcIAbmbEf07HXgmtJgk4jtCHcnQclckxdFMoPNaaM6tVnjxJ
-n5KBZqmuRkFdp5gk9QIE81m1iRzioJV84rzSSkX9wD36BwTsa6iy5nbEtDDSBSrm
-Qq94HQjGtc+tQXYMH1mJfTWqcfyT
------END PRIVATE KEY-----
diff --git a/admission-webhook/utils_test.go b/admission-webhook/utils_test.go
index 4ba14d73..f16a0150 100644
--- a/admission-webhook/utils_test.go
+++ b/admission-webhook/utils_test.go
@@ -2,7 +2,14 @@ package main
 
 import (
 	"context"
+	crand "crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"math/big"
 	"math/rand"
+	"os"
 	"time"
 
 	corev1 "k8s.io/api/core/v1"
@@ -106,3 +113,56 @@ func shuffleContainers(a []corev1.Container) {
 		a[i] = tmp
 	}
 }
+
+func GenerateTestCertAndKey() {
+	// Generate a 2048-bit RSA private key
+	priv, err := rsa.GenerateKey(crand.Reader, 2048)
+	if err != nil {
+		panic(err)
+	}
+
+	// Create a certificate template
+	certTemplate := &x509.Certificate{
+		SerialNumber: big.NewInt(1),
+		Subject: pkix.Name{
+			Organization: []string{"test"},
+		},
+		NotBefore:             time.Now(),
+		NotAfter:              time.Now().AddDate(1, 0, 0), // Valid for 1 year
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		BasicConstraintsValid: true,
+	}
+
+	// Create the certificate
+	certDER, err := x509.CreateCertificate(crand.Reader, certTemplate, certTemplate, &priv.PublicKey, priv)
+	if err != nil {
+		panic(err)
+	}
+
+	err = os.Mkdir("testdata", 0755)
+	if err != nil {
+		panic(err)
+	}
+
+	// Write the certificate to a PEM file
+	certFile, err := os.Create("testdata/cert.pem")
+	if err != nil {
+		panic(err)
+	}
+	pem.Encode(certFile, &pem.Block{Type: "CERTIFICATE", Bytes: certDER})
+	certFile.Close()
+
+	// Write the private key to a PEM file
+	keyFile, err := os.Create("testdata/key.pem")
+	if err != nil {
+		panic(err)
+	}
+	keyBytes := x509.MarshalPKCS1PrivateKey(priv)
+	pem.Encode(keyFile, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: keyBytes})
+	keyFile.Close()
+}
+
+func ClearTestdata() {
+	os.RemoveAll("testdata")
+}