Merge branch 'increase-unit-tests-delay' into 'main'

Increase delay between unit tests cases which validate VC/VP

See merge request eclipse/xfsc/tsa/signer!18

internal/service/signer/service_test.go

@@ -515,7 +515,7 @@ func TestService_CredentialProof(t *testing.T) {
 			}
 		})
 
-		time.Sleep(1 * time.Second)
+		time.Sleep(2 * time.Second)
 	}
 }
 
@@ -716,7 +716,7 @@ func TestService_PresentationProof(t *testing.T) {
 			assert.NotEmpty(t, vp.Proofs[0]["jws"])
 		})
 
-		time.Sleep(1 * time.Second)
+		time.Sleep(2 * time.Second)
 	}
 }
 
@@ -880,7 +880,7 @@ func TestService_CreateCredential(t *testing.T) {
 			}
 		})
 
-		time.Sleep(1 * time.Second)
+		time.Sleep(2 * time.Second)
 	}
 }