deps: update dependency com.google.cloud:google-cloud-spanner-bom to v6.25.2 (#881)

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-spanner-bom](https://togithub.com/googleapis/java-spanner) | `6.23.3` -> `6.25.4` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.25.4/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.25.4/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.25.4/compatibility-slim/6.23.3)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.25.4/confidence-slim/6.23.3)](https://docs.renovatebot.com/merge-confidence/) |

---

### Configuration

📅 **Schedule**: At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Renovate will not automatically rebase this PR, because other commits have been found.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox. ⚠ **Warning**: custom changes will be lost.

---

This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/java-spanner-jdbc).

Author: renovate-bot

pom.xml

@@ -62,7 +62,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner-bom</artifactId>
-        <version>6.23.3</version>
+        <version>6.25.2</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>

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

@@ -132,7 +132,9 @@ public void testConnectWithCredentialsAndOAuthToken() {
                 server.getPort(), TEST_KEY_PATH, "some-token"))) {
       fail("missing expected exception");
     } catch (SQLException e) {
-      assertThat(e.getMessage()).contains("Cannot specify both credentials and an OAuth token");
+      assertThat(e.getMessage())
+          .contains(
+              "Specify only one of credentialsUrl, encodedCredentials, credentialsProvider and OAuth token");
     }
   }
 

src/test/resources/com/google/cloud/spanner/jdbc/PostgreSQL/ITScriptTest_TestInvalidStatements.sql

@@ -17,16 +17,6 @@
 /*
  * Script for testing invalid/unrecognized statements
  */
--- EXPLAIN statement
-@EXPECT EXCEPTION INVALID_ARGUMENT 'INVALID_ARGUMENT: Unknown statement: EXPLAIN'
-EXPLAIN SELECT *
-        FROM Singers;
-
--- EXPLAIN ANALYZE statement
-@EXPECT EXCEPTION INVALID_ARGUMENT 'INVALID_ARGUMENT: Unknown statement: EXPLAIN ANALYZE'
-EXPLAIN ANALYZE SELECT *
-                FROM Singers;
-
 -- SET unknown property
 @EXPECT EXCEPTION INVALID_ARGUMENT 'INVALID_ARGUMENT: Unknown statement: SET some_property'
 SET some_property='value';