remove unwanted dependencies

pom.xml

@@ -89,6 +89,12 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.hamcrest</groupId>
+                    <artifactId>hamcrest</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -123,6 +129,10 @@
                     <groupId>org.hamcrest</groupId>
                     <artifactId>hamcrest-library</artifactId>
                 </exclusion>
+                <exclusion>
+                    <groupId>junit</groupId>
+                    <artifactId>junit</artifactId>
+                </exclusion>
             </exclusions>
         </dependency>
         <dependency>

src/test/java/org/junit/rules/TestRule.java

@@ -0,0 +1,10 @@
+package org.junit.rules;
+
+/**
+ * This is required by Testcontainers but actually unused.
+ * By defining this here, we can avoid loading Junit-4.
+ * See: https://github.com/testcontainers/testcontainers-java/issues/970
+ */
+@SuppressWarnings("unused")
+public interface TestRule {
+}

src/test/java/org/junit/runners/model/Statement.java

@@ -0,0 +1,10 @@
+package org.junit.runners.model;
+
+/**
+ * This is required by Testcontainers but actually unused.
+ * By defining this here, we can avoid loading Junit-4.
+ * See: https://github.com/testcontainers/testcontainers-java/issues/970
+ */
+@SuppressWarnings("unused")
+public class Statement {
+}