Simplify FullUseCasesIT to read package.json, exclude reusable parts to JUni5 extensions (#1421)

Also do not execute `run` goal in our internal test infra, as now that we manage `test` goal properly, it is redundant

Author: ferenc-csaky

sqrl-testing/sqrl-container-testing/src/test/java/com/datasqrl/container/testing/ExternalRedpandaContainerIT.java

@@ -42,7 +42,7 @@ public class ExternalRedpandaContainerIT extends SqrlContainerTestBase {
 
   @Override
   protected String getTestCaseName() {
-    return "flink+kafka";
+    return "flink-kafka";
   }
 
   @BeforeEach
@@ -68,7 +68,7 @@ void givenExternalRedpandaContainer_whenCompileAndRunFlinkKafka_thenUsesExternal
 
     // When - Compile SQRL script with external Kafka configuration
     var cmdContainer = createCmdContainerWithExternalKafka();
-    cmd = cmdContainer.withCommand("test", "flink_kafka.sqrl");
+    cmd = cmdContainer.withCommand("test", "flink-kafka.sqrl");
 
     log.info("Starting compilation with external Redpanda container");
     log.info(getDockerRunCommand(cmd, testDir));
@@ -189,7 +189,7 @@ private GenericContainer<?> createCmdContainerWithExternalKafka() {
             .withEnv("KAFKA_BOOTSTRAP_SERVERS", REDPANDA_CONTAINER_NAME + ":" + REDPANDA_PORT);
 
     // Add additional mount to resolve the symlink
-    // flink+kafka/loan-local -> ../banking/loan-local
+    // flink-kafka/loan-local -> ../banking/loan-local
     var bankingDir = testDir.getParent().resolve("banking");
 
     if (bankingDir.toFile().exists()) {

sqrl-testing/sqrl-container-testing/src/test/java/com/datasqrl/container/testing/SqrlTestContainerIT.java

@@ -58,14 +58,14 @@ void givenAvroSchemaScript_whenTestCommandExecuted_thenSnapshotsValidateSuccessf
   @Test
   @SneakyThrows
   void givenAvroPackage_whenTestCommandExecuted_thenSnapshotsValidateSuccessfully() {
-    var snapshots = testDir.resolve("snapshots");
+    var snapshots = testDir.resolve("snapshots-tmp");
     FileUtils.deleteDirectory(snapshots.toFile());
 
     // Assert that the test command throws a RuntimeException and capture the exception
     ContainerError exception =
         (ContainerError)
             assertThatThrownBy(
-                    () -> sqrlScript(testDir, "test -c complete-package.json".split(" ")))
+                    () -> sqrlScript(testDir, "test -c package-no-snapshots.json".split(" ")))
                 .isInstanceOf(ContainerError.class)
                 .hasMessageContaining("SQRL compilation failed")
                 .actual();