test: testCreateAndDeleteCollection_withUniqueKey fail concurrently ran (#220)

Author: thunderz99

pom.xml

@@ -4,7 +4,7 @@
     <groupId>com.github.thunderz99</groupId>
     <artifactId>java-cosmos</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.26.RC2</version>
+    <version>0.8.26.RC3</version>
     <name>${project.groupId}:${project.artifactId}$</name>
     <description>A lightweight Azure CosmosDB client for Java</description>
     <url>https://github.com/thunderz99/java-cosmos</url>

src/test/java/io/github/thunderz99/cosmos/impl/cosmosdb/CosmosImplTest.java

@@ -5,6 +5,7 @@
 
 import io.github.thunderz99.cosmos.util.EnvUtil;
 import io.github.thunderz99.cosmos.util.UniqueKeyUtil;
+import org.apache.commons.lang3.RandomStringUtils;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
@@ -19,7 +20,7 @@ class CosmosImplTest {
     @Test
     void testCreateAndDeleteCollection_withUniqueKey() throws Exception {
         var cosmos = new CosmosImpl(EnvUtil.get("COSMOSDB_CONNECTION_STRING"));
-        String testColl = "UnitTest2-UniqueKey";
+        String testColl = "UnitTest2-UniqueKey" + RandomStringUtils.randomAlphanumeric(4);
         var id1 = "001";
         var id2 = "002";
         var partition = "Users";