diff --git a/adapter-commons/pom.xml b/adapter-commons/pom.xml
index 1728618..87d8e80 100644
--- a/adapter-commons/pom.xml
+++ b/adapter-commons/pom.xml
@@ -33,6 +33,16 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>1.4.197</version>
+        </dependency>
+        <dependency>
+            <groupId>org.liquibase</groupId>
+            <artifactId>liquibase-core</artifactId>
+            <version>3.5.5</version>
+        </dependency>
     </dependencies>
 
     <properties>
diff --git a/adapter-commons/src/test/resources/application.properties b/adapter-commons/src/test/resources/application.properties
index e2ed5d8..7c12965 100644
--- a/adapter-commons/src/test/resources/application.properties
+++ b/adapter-commons/src/test/resources/application.properties
@@ -1,10 +1,18 @@
 spring.main.banner-mode=off
 spring.jpa.database=default
 spring.jpa.generate-ddl=false
-spring.datasource.url=jdbc:postgresql://localhost:5432/postgres
-spring.datasource.username=postgres
-spring.datasource.password=
-spring.datasource.driver-class-name=org.postgresql.Driver
+#spring.datasource.url=jdbc:postgresql://localhost:5432/postgres
+#spring.datasource.username=postgres
+#spring.datasource.password=
+#spring.datasource.driver-class-name=org.postgresql.Driver
+
+spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_ON_EXIT=FALSE
+spring.datasource.username=sa
+spring.datasource.password=sa
+spring.datasource.driver-class-name=org.h2.Driver
+
+spring.liquibase.change-log=classpath:/schema/db.changelog.xml
+
 logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss} %-5level %logger{36} - %msg%n
 logging.level.org.hibernate.SQL=debug
 logging.level.=error
diff --git a/db-commons/src/main/resources/schema/commons.xml b/adapter-commons/src/test/resources/schema/commons.xml
similarity index 100%
rename from db-commons/src/main/resources/schema/commons.xml
rename to adapter-commons/src/test/resources/schema/commons.xml
diff --git a/db-commons/src/main/resources/schema/db.changelog.xml b/adapter-commons/src/test/resources/schema/db.changelog.xml
similarity index 100%
rename from db-commons/src/main/resources/schema/db.changelog.xml
rename to adapter-commons/src/test/resources/schema/db.changelog.xml
diff --git a/db-commons/src/main/resources/schema/delivery-planning.xml b/adapter-commons/src/test/resources/schema/delivery-planning.xml
similarity index 100%
rename from db-commons/src/main/resources/schema/delivery-planning.xml
rename to adapter-commons/src/test/resources/schema/delivery-planning.xml
diff --git a/db-commons/src/main/resources/schema/demand-forecasting.xml b/adapter-commons/src/test/resources/schema/demand-forecasting.xml
similarity index 100%
rename from db-commons/src/main/resources/schema/demand-forecasting.xml
rename to adapter-commons/src/test/resources/schema/demand-forecasting.xml
diff --git a/db-commons/src/main/resources/schema/product-management.xml b/adapter-commons/src/test/resources/schema/product-management.xml
similarity index 100%
rename from db-commons/src/main/resources/schema/product-management.xml
rename to adapter-commons/src/test/resources/schema/product-management.xml
diff --git a/db-commons/src/main/resources/schema/production-planning.xml b/adapter-commons/src/test/resources/schema/production-planning.xml
similarity index 100%
rename from db-commons/src/main/resources/schema/production-planning.xml
rename to adapter-commons/src/test/resources/schema/production-planning.xml
diff --git a/db-commons/src/main/resources/schema/shortages-prediction.xml b/adapter-commons/src/test/resources/schema/shortages-prediction.xml
similarity index 100%
rename from db-commons/src/main/resources/schema/shortages-prediction.xml
rename to adapter-commons/src/test/resources/schema/shortages-prediction.xml
diff --git a/db-commons/pom.xml b/db-commons/pom.xml
deleted file mode 100644
index cfd353c..0000000
--- a/db-commons/pom.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
-        <artifactId>factory</artifactId>
-        <groupId>pl.com.dddbyexamples</groupId>
-        <version>1.0-SNAPSHOT</version>
-    </parent>
-    <modelVersion>4.0.0</modelVersion>
-
-    <artifactId>db-commons</artifactId>
-
-    <dependencies>
-        <dependency>
-            <groupId>com.h2database</groupId>
-            <artifactId>h2</artifactId>
-            <version>1.4.197</version>
-        </dependency>
-        <dependency>
-            <groupId>org.liquibase</groupId>
-            <artifactId>liquibase-core</artifactId>
-            <version>3.5.5</version>
-        </dependency>
-    </dependencies>
-
-</project>
\ No newline at end of file
diff --git a/demand-forecasting-adapters/pom.xml b/demand-forecasting-adapters/pom.xml
index a7310da..68111f0 100644
--- a/demand-forecasting-adapters/pom.xml
+++ b/demand-forecasting-adapters/pom.xml
@@ -68,12 +68,6 @@
             <version>1.7.9</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>pl.com.dddbyexamples</groupId>
-            <artifactId>db-commons</artifactId>
-            <version>1.0-SNAPSHOT</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <properties>
diff --git a/demand-forecasting-adapters/src/test/resources/application.properties b/demand-forecasting-adapters/src/test/resources/application.properties
deleted file mode 100644
index df62e6e..0000000
--- a/demand-forecasting-adapters/src/test/resources/application.properties
+++ /dev/null
@@ -1,6 +0,0 @@
-spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_ON_EXIT=FALSE
-spring.datasource.username=sa
-spring.datasource.password=sa
-spring.datasource.driver-class-name=org.h2.Driver
-spring.liquibase.change-log=classpath:/schema/db.changelog.xml
-
diff --git a/pom.xml b/pom.xml
index f98e913..c9038bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,6 @@
         <module>shortages-prediction-adapters</module>
         <module>product-management-adapters</module>
         <module>production-planning-adapters</module>
-        <module>db-commons</module>
     </modules>
 
 </project>
diff --git a/product-management-adapters/src/test/resources/application.properties b/product-management-adapters/src/test/resources/application.properties
deleted file mode 100644
index df62e6e..0000000
--- a/product-management-adapters/src/test/resources/application.properties
+++ /dev/null
@@ -1,6 +0,0 @@
-spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_ON_EXIT=FALSE
-spring.datasource.username=sa
-spring.datasource.password=sa
-spring.datasource.driver-class-name=org.h2.Driver
-spring.liquibase.change-log=classpath:/schema/db.changelog.xml
-
diff --git a/shortages-prediction-adapters/src/test/resources/application.properties b/shortages-prediction-adapters/src/test/resources/application.properties
deleted file mode 100644
index df62e6e..0000000
--- a/shortages-prediction-adapters/src/test/resources/application.properties
+++ /dev/null
@@ -1,6 +0,0 @@
-spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_ON_EXIT=FALSE
-spring.datasource.username=sa
-spring.datasource.password=sa
-spring.datasource.driver-class-name=org.h2.Driver
-spring.liquibase.change-log=classpath:/schema/db.changelog.xml
-