diff --git a/tests/operations/tests/Code.mjs b/tests/operations/tests/Code.mjs
index c62c7630..d568757a 100644
--- a/tests/operations/tests/Code.mjs
+++ b/tests/operations/tests/Code.mjs
@@ -322,7 +322,7 @@ TestRegister.addTests([
                 ]
             }
         ],
-        expectedMatch: /^Invalid JPath expression: jsonPath: self is not defined:/
+        expectedMatch: /^Invalid JPath expression: Unexpected "\{" at character 1/
     },
     {
         name: "CSS selector",
diff --git a/tests/operations/tests/JWTSign.mjs b/tests/operations/tests/JWTSign.mjs
index a7752138..395a8196 100644
--- a/tests/operations/tests/JWTSign.mjs
+++ b/tests/operations/tests/JWTSign.mjs
@@ -15,26 +15,52 @@ const inputObject = JSON.stringify({
 }, null, 4);
 
 const hsKey = "secret_cat";
-const rsKey = `-----BEGIN RSA PRIVATE KEY-----
-MIICWwIBAAKBgQDdlatRjRjogo3WojgGHFHYLugdUWAY9iR3fy4arWNA1KoS8kVw
-33cJibXr8bvwUAUparCwlvdbH6dvEOfou0/gCFQsHUfQrSDv+MuSUMAe8jzKE4qW
-+jK+xQU9a03GUnKHkkle+Q0pX/g6jXZ7r1/xAK5Do2kQ+X5xK9cipRgEKwIDAQAB
-AoGAD+onAtVye4ic7VR7V50DF9bOnwRwNXrARcDhq9LWNRrRGElESYYTQ6EbatXS
-3MCyjjX2eMhu/aF5YhXBwkppwxg+EOmXeh+MzL7Zh284OuPbkglAaGhV9bb6/5Cp
-uGb1esyPbYW+Ty2PC0GSZfIXkXs76jXAu9TOBvD0ybc2YlkCQQDywg2R/7t3Q2OE
-2+yo382CLJdrlSLVROWKwb4tb2PjhY4XAwV8d1vy0RenxTB+K5Mu57uVSTHtrMK0
-GAtFr833AkEA6avx20OHo61Yela/4k5kQDtjEf1N0LfI+BcWZtxsS3jDM3i1Hp0K
-Su5rsCPb8acJo5RO26gGVrfAsDcIXKC+bQJAZZ2XIpsitLyPpuiMOvBbzPavd4gY
-6Z8KWrfYzJoI/Q9FuBo6rKwl4BFoToD7WIUS+hpkagwWiz+6zLoX1dbOZwJACmH5
-fSSjAkLRi54PKJ8TFUeOP15h9sQzydI8zJU+upvDEKZsZc/UhT/SySDOxQ4G/523
-Y0sz/OZtSWcol/UMgQJALesy++GdvoIDLfJX5GBQpuFgFenRiRDabxrE9MNUZ2aP
-FaFp+DyAe+b4nDwuJaW2LURbr8AEZga7oQj0uYxcYw==
------END RSA PRIVATE KEY-----`;
-const esKey = `-----BEGIN PRIVATE KEY-----
-MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgevZzL1gdAFr88hb2
-OF/2NxApJCzGCEDdfSp6VQO30hyhRANCAAQRWz+jn65BtOMvdyHKcvjBeBSDZH2r
-1RTwjmYSi9R/zpBnuQ4EiMnCqfMPWiZqB4QdbAd0E7oH50VpuZ1P087G
+const rsKey = `-----BEGIN PRIVATE KEY-----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 -----END PRIVATE KEY-----`;
+const es256Key = `-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIA3ISxaDm/NdIVmkuAWR5VTNNj2PTpe+eWhv2rUhNE9joAoGCCqGSM49
+AwEHoUQDQgAEY5Iad2fwtKm40eqg+hx4sxwsZwKm0WP/GDNGAPUisD3H2AlLedYE
++xZ8cehEKjddb6Bftv0I3PLGFMBQIyE0pA==
+-----END EC PRIVATE KEY-----`;
+const es384Key = `-----BEGIN EC PRIVATE KEY-----
+MIGkAgEBBDAp0jx0wSk6L2od/DbovYvrhG/AKXAFpqaQ7/u8tgg7w0lBHWrA9yHF
+YG1Z0k5lEACgBwYFK4EEACKhZANiAASYGNRZMaBebhOkwML7V4JJgiXqukoopqun
+xXWTCEw4qCEqydsXE6TFVB2RJ0+hpjoK00XqVVvyv8fw6ZYH9y5dHmj0RsnBMrAm
+oOhhUpXlZWsfiY97db80mKCp7n2MkNw=
+-----END EC PRIVATE KEY-----`;
+const es512Key = `-----BEGIN EC PRIVATE KEY-----
+MIHcAgEBBEIARI9C6QrByhpJ8paMAgKyz6piOIEF2wDxlPEFcVC3ZHSo4crE2Uc5
+E94EOuLNnKs/TinGMiTUhbefpfETI5SML4qgBwYFK4EEACOhgYkDgYYABADka9q3
+ZXy2j1ml6fQqFbG6ryD2+2Cu43xxDeEoec9PW4Dfe/hmkluYwSv15X5+VhBx36sh
+Jeh34sXjACyMVXfLGQGS3Puxol0c1nyC1uv9ecxLJmWUtUmPm9Uz87tb3vhI636x
+8YT3MpqHkOZnDm4CiG09QIS9ROUHKH/BGQ7QtH/9yA==
+-----END EC PRIVATE KEY-----`;
 
 TestRegister.addTests([
     {
@@ -88,7 +114,7 @@ TestRegister.addTests([
         recipeConfig: [
             {
                 op: "JWT Sign",
-                args: [esKey, "ES256", "{}"],
+                args: [es256Key, "ES256", "{}"],
             },
             {
                 op: "JWT Decode",
@@ -103,7 +129,7 @@ TestRegister.addTests([
         recipeConfig: [
             {
                 op: "JWT Sign",
-                args: [esKey, "ES384", "{}"],
+                args: [es384Key, "ES384", "{}"],
             },
             {
                 op: "JWT Decode",
@@ -118,7 +144,7 @@ TestRegister.addTests([
         recipeConfig: [
             {
                 op: "JWT Sign",
-                args: [esKey, "ES512", "{}"],
+                args: [es512Key, "ES512", "{}"],
             },
             {
                 op: "JWT Decode",
@@ -163,7 +189,7 @@ TestRegister.addTests([
         recipeConfig: [
             {
                 op: "JWT Sign",
-                args: [esKey, "RS512", "{}"],
+                args: [rsKey, "RS512", "{}"],
             },
             {
                 op: "JWT Decode",