diff --git a/CHANGELOG-0.4.md b/CHANGELOG-0.4.md
index cab1692c3b..82ade67ce3 100644
--- a/CHANGELOG-0.4.md
+++ b/CHANGELOG-0.4.md
@@ -1,6 +1,6 @@
 # Changelog 0.4
 
-## [0.4.4] 2020-04-xx
+## [0.4.4] 2020-04-16
 
 ### Fixed
 
diff --git a/core/src/epicli/cli/version.txt.py b/core/src/epicli/cli/version.txt.py
index 70d5b25fa8..b300caa32a 100644
--- a/core/src/epicli/cli/version.txt.py
+++ b/core/src/epicli/cli/version.txt.py
@@ -1 +1 @@
-0.4.3
\ No newline at end of file
+0.4.4
\ No newline at end of file
diff --git a/core/src/epicli/tests/serverspec-cli/spec/applications/applications_spec.rb b/core/src/epicli/tests/serverspec-cli/spec/applications/applications_spec.rb
index d2a0864e05..fc143a25a3 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/applications/applications_spec.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/applications/applications_spec.rb
@@ -4,10 +4,10 @@
 require 'applications/auth-service/auth-service'
 
 
-if !readDataYaml("configuration/applications")["specification"]["applications"].select {|i| i["name"] == 'rabbitmq' }.nil?
+if !readDataYaml("configuration/applications")["specification"]["applications"].select {|i| i["name"] == 'rabbitmq' }.empty?
   callRabbitMQDeploymentTests
 end
 
-if !readDataYaml("configuration/applications")["specification"]["applications"].select {|i| i["name"] == 'auth-service' }.nil?
+if !readDataYaml("configuration/applications")["specification"]["applications"].select {|i| i["name"] == 'auth-service' }.empty?
   callAuthServiceDeploymentTests
 end
diff --git a/core/src/epicli/tests/serverspec-cli/spec/filebeat/filebeat_spec.rb b/core/src/epicli/tests/serverspec-cli/spec/filebeat/filebeat_spec.rb
index 84bbee8d38..d46b067208 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/filebeat/filebeat_spec.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/filebeat/filebeat_spec.rb
@@ -35,7 +35,7 @@
   end
 end
 
-if count_inventory_roles("elasticsearch") > 0
+if countInventoryHosts("elasticsearch") > 0
   describe 'Checking the connection to the Elasticsearch host' do
     let(:disable_sudo) { false }
     describe command("curl -o /dev/null -s -w '%{http_code}' $(awk '/- Elasticsearch output -/,/- Logstash output -/' /etc/filebeat/filebeat.yml \
@@ -47,7 +47,7 @@
   end
 end
 
-if count_inventory_roles("kibana") > 0
+if countInventoryHosts("kibana") > 0
   describe 'Checking the connection to the Kibana endpoint' do
     let(:disable_sudo) { false }
     describe command("curl -o /dev/null -s -w '%{http_code}' $(awk '/= Kibana =/,/= Elastic Cloud =/' /etc/filebeat/filebeat.yml \
diff --git a/core/src/epicli/tests/serverspec-cli/spec/jmx_exporter/jmx_exporter_spec.rb b/core/src/epicli/tests/serverspec-cli/spec/jmx_exporter/jmx_exporter_spec.rb
index 86efcd8689..ac8f441311 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/jmx_exporter/jmx_exporter_spec.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/jmx_exporter/jmx_exporter_spec.rb
@@ -38,13 +38,13 @@
   end
 end
 
-if count_inventory_roles("kafka") == 1
+if countInventoryHosts("kafka") == 1
   describe 'Checking if it is possible to collect any jvm metrics' do
     describe command("curl -s #{jmx_exporter_host}:#{jmx_exporter_port_for_zookeeper} | grep -i ^jvm_memory") do
       its(:exit_status) { should eq 0 }
     end
   end
-elsif count_inventory_roles("kafka") > 1
+elsif countInventoryHosts("kafka") > 1
   describe 'Checking if it is possible to collect the metrics from ZooKeeper' do
     describe command("curl -s #{jmx_exporter_host}:#{jmx_exporter_port_for_zookeeper} | grep -i ^zookeeper") do
       its(:stdout) { should match /zookeeper/ }
diff --git a/core/src/epicli/tests/serverspec-cli/spec/kafka/kafka_spec.rb b/core/src/epicli/tests/serverspec-cli/spec/kafka/kafka_spec.rb
index 031711001e..00bb79f39c 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/kafka/kafka_spec.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/kafka/kafka_spec.rb
@@ -42,14 +42,14 @@
 describe 'Checking if the number of Kafka brokers is the same as indicated in the inventory file' do
   describe command("echo 'dump' | curl -s telnet://#{zookeeper_host}:#{zookeeper_client_port} | grep -c brokers") do
     it "is expected to be equal" do
-    expect(subject.stdout.to_i).to eq count_inventory_roles("kafka")
+    expect(subject.stdout.to_i).to eq countInventoryHosts("kafka")
     end
   end
 end
 
 describe 'Checking the possibility of creating a topic, producing and consuming messages' do
 
-  kafka_brokers_count = count_inventory_roles("kafka")
+  kafka_brokers_count = countInventoryHosts("kafka")
   timestamp = DateTime.now.to_time.to_i.to_s
   topic_name = 'topic' + timestamp
   partitions = kafka_brokers_count*3
diff --git a/core/src/epicli/tests/serverspec-cli/spec/kibana/kibana_spec.rb b/core/src/epicli/tests/serverspec-cli/spec/kibana/kibana_spec.rb
index 736213f9ee..2c3acebec2 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/kibana/kibana_spec.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/kibana/kibana_spec.rb
@@ -48,7 +48,7 @@
   end
 end
 
-if count_inventory_roles("elasticsearch") > 0
+if countInventoryHosts("elasticsearch") > 0
   describe 'Checking the connection to the Elasticsearch host' do
     let(:disable_sudo) { false }
     describe command("curl -o /dev/null -s -w '%{http_code}' $(grep -oP '(?<=elasticsearch.url: \\\").*(?=\\\")' /etc/kibana/kibana.yml)") do
diff --git a/core/src/epicli/tests/serverspec-cli/spec/kubernetes_master/kubernetes_master_spec.rb b/core/src/epicli/tests/serverspec-cli/spec/kubernetes_master/kubernetes_master_spec.rb
index 33d8d6f3ca..d98bf71005 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/kubernetes_master/kubernetes_master_spec.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/kubernetes_master/kubernetes_master_spec.rb
@@ -39,14 +39,14 @@
 describe 'Checking if there are any pods that have status other than Running' do
   describe command('kubectl get pods --all-namespaces --field-selector=status.phase!=Running') do
     its(:stdout) { should match /^$/ }
-    its(:stderr) { should match /No resources found./ }
+    its(:stderr) { should match /No resources found/ }
   end
 end  
 
 describe 'Checking if the number of master nodes is the same as indicated in the inventory file' do
   describe command('kubectl get nodes --selector=node-role.kubernetes.io/master --no-headers | wc -l | tr -d "\n"') do
     it "is expected to be equal" do
-      expect(subject.stdout.to_i).to eq count_inventory_roles("kubernetes_master")
+      expect(subject.stdout.to_i).to eq countInventoryHosts("kubernetes_master")
       end
   end
 end
@@ -54,7 +54,7 @@
 describe 'Checking if the number of worker nodes is the same as indicated in the inventory file' do
   describe command('kubectl get nodes --no-headers | grep -v master | wc -l | tr -d "\n"') do
     it "is expected to be equal" do
-      expect(subject.stdout.to_i).to eq count_inventory_roles("kubernetes_node")
+      expect(subject.stdout.to_i).to eq countInventoryHosts("kubernetes_node")
       end
   end
 end
@@ -174,3 +174,18 @@
     end
   end
 end
+
+if countInventoryHosts("kubernetes_node") == 0
+
+  describe 'Checking taints on Kubernetes master' do
+    describe command('kubectl get nodes -o jsonpath="{.items[*].spec.taints}"') do
+      its(:stdout) { should match /^$/ }
+      its(:exit_status) { should eq 0 }
+    end
+    describe command('kubectl describe nodes | grep -i taints') do
+      its(:stdout) { should match /<none>/ }
+      its(:exit_status) { should eq 0 }
+    end    
+  end
+
+end
\ No newline at end of file
diff --git a/core/src/epicli/tests/serverspec-cli/spec/postgresql/postgresql_spec.rb b/core/src/epicli/tests/serverspec-cli/spec/postgresql/postgresql_spec.rb
index 05ee6524ef..0bb92edf34 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/postgresql/postgresql_spec.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/postgresql/postgresql_spec.rb
@@ -63,6 +63,16 @@ def queryForDropping
   end
 end
 
+# Running the 'systemctl is-active' command returns the result 'unknown'.
+# https://bugzilla.redhat.com/show_bug.cgi?id=1073481
+# Must first run the 'systemctl status' command to be able to view the service status withe the 'is-active' command.
+
+describe 'Checking PostgreSQL service status' do
+  describe command("systemctl status postgresql > /dev/null") do
+    its(:exit_status) { should eq 0 }
+  end
+end
+
 describe 'Checking if PostgreSQL service is running' do
   describe service('postgresql') do
     it { should be_enabled }
diff --git a/core/src/epicli/tests/serverspec-cli/spec/spec_helper.rb b/core/src/epicli/tests/serverspec-cli/spec/spec_helper.rb
index 03c841071b..95cd5f0587 100644
--- a/core/src/epicli/tests/serverspec-cli/spec/spec_helper.rb
+++ b/core/src/epicli/tests/serverspec-cli/spec/spec_helper.rb
@@ -39,7 +39,7 @@
 # Set PATH
 # set :path, '/sbin:/usr/local/sbin:$PATH'
 
-  def count_inventory_roles(role)
+  def countInventoryHosts(role)
     file = File.open(ENV['inventory'], "rb")
     input = file.read
     file.close