ci: run tests sequentially and run BatchContextTest first

Author: bevzzz

pom.xml

@@ -237,13 +237,14 @@
           <artifactId>maven-surefire-plugin</artifactId>
           <version>3.5.4</version>
           <configuration>
-            <trimStackTrace>false</trimStackTrace>
-            <parallel>classes</parallel>
-            <forkCount>4</forkCount>
-            <reuseForks>true</reuseForks>
-            <threadCount>1</threadCount>
-            <perCoreThreadCount>true</perCoreThreadCount>
-            <runOrder>balanced</runOrder>
+            <parallel>none</parallel>
+            <forkCount>1</forkCount>
+            <reuseForks>false</reuseForks>
+
+            <includes>
+              <include>**/BatchContextTest.java</include>
+              <include>**/*Test.java</include>
+            </includes>
           </configuration>
         </plugin>
         <plugin>