deps: remove duplicate dependencies

pom.xml

@@ -201,21 +201,6 @@
     </dependency>
 
     <!-- Add OpenTelemetry implementation and exporters for use in integration tests -->
-    <dependency>
-      <groupId>io.opentelemetry</groupId>
-      <artifactId>opentelemetry-sdk-common</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>io.opentelemetry</groupId>
-      <artifactId>opentelemetry-sdk</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>io.opentelemetry</groupId>
-      <artifactId>opentelemetry-sdk-trace</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>com.google.cloud.opentelemetry</groupId>
       <artifactId>exporter-trace</artifactId>

src/test/java/com/google/cloud/spanner/jdbc/it/ITSingleJarTest.java

@@ -61,13 +61,15 @@ public void setup() {
 
   @Test
   public void testUseSingleJar() throws Exception {
+    printDeps();
     buildSingleJar();
     buildMainClass();
     runTestApplication();
   }
 
   @Test
   public void testUseShadedJar() throws Exception {
+    printDeps();
     buildShadedJar();
     buildMainClass();
     runTestApplication();
@@ -91,6 +93,12 @@ private void runTestApplication() throws Exception {
     execute(builder);
   }
 
+  private void printDeps() throws Exception {
+    ProcessBuilder builder = new ProcessBuilder();
+    builder.command("mvn", "dependency:tree");
+    execute(builder, true);
+  }
+
   private void buildSingleJar() throws Exception {
     ProcessBuilder builder = new ProcessBuilder();
     builder.command("mvn", "clean", "package", "-DskipTests", "-Dalt.build.dir=./target/single");
@@ -116,11 +124,23 @@ private void buildMainClass() throws Exception {
   }
 
   private void execute(ProcessBuilder builder) throws Exception {
+    execute(builder, false);
+  }
+
+  private void execute(ProcessBuilder builder, boolean showOutput) throws Exception {
     Process process = builder.start();
-    String errors;
+    String errors, output = "";
     try (InputStreamReader reader = new InputStreamReader(process.getErrorStream())) {
       errors = CharStreams.toString(reader);
     }
+    if (showOutput) {
+      try (InputStreamReader reader = new InputStreamReader(process.getInputStream())) {
+        output = CharStreams.toString(reader);
+      }
+    }
     assertEquals(errors, 0, process.waitFor());
+    if (showOutput) {
+      System.out.print(output);
+    }
   }
 }