diff --git a/otelconf/testdata/ca.key b/otelconf/testdata/ca.key
new file mode 100644
index 00000000000..2606228e841
--- /dev/null
+++ b/otelconf/testdata/ca.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDfLAP01CmN3Yf8
+9oeeh15fphafrs5qo4NOxSyY5wmmGF/Jr7+XJs21ZJweiJRGkHjRCFNpwOyNDsnR
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+Sv03W0utXEnISreIFVOv5DVJ
+-----END PRIVATE KEY-----
diff --git a/otelconf/testdata/client-certs/client.crt b/otelconf/testdata/client-certs/client.crt
new file mode 100644
index 00000000000..9c19e635cd8
--- /dev/null
+++ b/otelconf/testdata/client-certs/client.crt
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----
+MIIDqDCCApCgAwIBAgIUKlT4T6hHDXsut6dUk9GVedYGsnIwDQYJKoZIhvcNAQEL
+BQAwXzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcM
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+XEQxktfA9iRaDVkB+kRoxof4xoUAiWEohkn6HQ==
+-----END CERTIFICATE-----
diff --git a/otelconf/testdata/client-certs/client.csr b/otelconf/testdata/client-certs/client.csr
new file mode 100644
index 00000000000..b2c90a59625
--- /dev/null
+++ b/otelconf/testdata/client-certs/client.csr
@@ -0,0 +1,18 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIICzzCCAbcCAQAwYzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlmb3JuaWEx
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+y5NrkQzB9EjsF78aATQMxI+moWWJgo5rNFAo8/J/khNPjcFlxcNMICe+hGonH9KK
+YWse
+-----END CERTIFICATE REQUEST-----
diff --git a/otelconf/testdata/client-certs/client.key b/otelconf/testdata/client-certs/client.key
new file mode 100644
index 00000000000..0ff9d12afe7
--- /dev/null
+++ b/otelconf/testdata/client-certs/client.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDTmSts+ZQj3P/8
+tyIi2cUqhbOaOmf0ZNgGPozHu8cxBoocXI7XK0nZ+YZppJS+d+k7zny6lPQ/MCDX
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+nLa8Nu24UI0ROy4TKpG5eOZ0
+-----END PRIVATE KEY-----
diff --git a/otelconf/testdata/server-certs/server.crt b/otelconf/testdata/server-certs/server.crt
new file mode 100644
index 00000000000..8e875ee86a1
--- /dev/null
+++ b/otelconf/testdata/server-certs/server.crt
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----
+MIIDqDCCApCgAwIBAgIUKlT4T6hHDXsut6dUk9GVedYGsnEwDQYJKoZIhvcNAQEL
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+s/6hFfJdGic/WMPP+Z87eb33vb2Dqa/845XwBg==
+-----END CERTIFICATE-----
diff --git a/otelconf/testdata/server-certs/server.csr b/otelconf/testdata/server-certs/server.csr
new file mode 100644
index 00000000000..4bfcb7fd3f3
--- /dev/null
+++ b/otelconf/testdata/server-certs/server.csr
@@ -0,0 +1,18 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIICzzCCAbcCAQAwYzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlmb3JuaWEx
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+HVch
+-----END CERTIFICATE REQUEST-----
diff --git a/otelconf/testdata/server-certs/server.key b/otelconf/testdata/server-certs/server.key
new file mode 100644
index 00000000000..4a86c6dd69c
--- /dev/null
+++ b/otelconf/testdata/server-certs/server.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQDGZzV9GnVhaxf2
+RDbwzgI+eAVoPlAyI+sRtdBhOyESdscBCegyNFWAcil1nIjqqXEs8vEtPUpYaInk
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+zPkp3nQKCrgYCwsym3Pb9m8AzuIVUth8+gK3MxJxUjp8q9BRE9C6iDSxltFVSQ2A
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+S6sEyFQNSn6RduzwFIUUx2XjpQ==
+-----END PRIVATE KEY-----