Remove explicit key parameters

This way the test will check only if the values exist.

Signed-off-by: Georgi Michev <georgi.michev@vereign.com>

src/test/resources/features/tsa/policy/policy/{respository}/{group}/{name}/{version}/key/GET.feature

@@ -17,8 +17,8 @@ Feature: API - TSA - policy - {repository}/{group}/{name}/{version}/key GET
     And the field {crv} contains the value {P-256}
     And the field {kid} contains the value {key1}
     And the field {kty} contains the value {EC}
-    And the field {x} contains the value {AgBT2YKnE4JFm4zNng9fSQ4wEE4mdSdW-MrqQoSquyA}
-    And the field {y} contains the value {wewXbULR-jiHnpDIHMxLepfHdDVbEs6nFO2Yq5mXg5I}
+    And the field {x} is present and not empty
+    And the field {y} is present and not empty
 
   @negative
   Scenario: TSA - Export signing key information for policy with no export config information - Negative