reduce runtime of unit test: TestKeyregValidityPeriod

Author: Aharonee

data/account/participation_test.go

@@ -497,6 +497,17 @@ func TestKeyregValidityPeriod(t *testing.T) {
 	partitiontest.PartitionTest(t)
 	a := require.New(t)
 
+	// Patch the global consensus variable since FillDBWithParticipationKeys uses is to check the validity period
+	// this allows us to reduce the runtime of the test while checking the logic of FillDBWithParticipationKeys
+	version := config.Consensus[protocol.ConsensusCurrentVersion]
+	oldValue := config.Consensus[protocol.ConsensusCurrentVersion].MaxKeyregValidPeriod
+	version.MaxKeyregValidPeriod = 256*(1<<4) - 1
+	config.Consensus[protocol.ConsensusCurrentVersion] = version
+	defer func() {
+		version.MaxKeyregValidPeriod = oldValue
+		config.Consensus[protocol.ConsensusCurrentVersion] = version
+	}()
+
 	maxValidPeriod := config.Consensus[protocol.ConsensusCurrentVersion].MaxKeyregValidPeriod
 	dilution := config.Consensus[protocol.ConsensusCurrentVersion].DefaultKeyDilution