deps: update dependency org.testcontainers:testcontainers to v1.20.1 (#1684)

* deps: update dependency org.testcontainers:testcontainers to v1.20.1

* chore: ignore errors during availability check

---------

Co-authored-by: Knut Olav Løite <koloite@gmail.com>

Author: renovate-bot

pom.xml

@@ -166,7 +166,7 @@
     <dependency>
       <groupId>org.testcontainers</groupId>
       <artifactId>testcontainers</artifactId>
-      <version>1.19.8</version>
+      <version>1.20.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>

samples/snippets/pom.xml

@@ -48,7 +48,7 @@
     <dependency>
       <groupId>org.testcontainers</groupId>
       <artifactId>testcontainers</artifactId>
-      <version>1.19.8</version>
+      <version>1.20.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>

samples/spring-data-jdbc/pom.xml

@@ -109,7 +109,7 @@
     <dependency>
       <groupId>org.testcontainers</groupId>
       <artifactId>testcontainers</artifactId>
-      <version>1.19.8</version>
+      <version>1.20.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

src/test/java/com/google/cloud/spanner/jdbc/ConcurrentTransactionOnEmulatorTest.java

@@ -45,7 +45,13 @@ public class ConcurrentTransactionOnEmulatorTest {
 
   @BeforeClass
   public static void startEmulator() {
-    assumeTrue(DockerClientFactory.instance().isDockerAvailable());
+    boolean dockerAvailable = false;
+    try {
+      dockerAvailable = DockerClientFactory.instance().isDockerAvailable();
+    } catch (Exception ignore) {
+      // Ignore, and just skip the test.
+    }
+    assumeTrue(dockerAvailable);
 
     emulator =
         new GenericContainer<>(