build: reduce overhead of fuzz testing (apache#3257)

* build: reduce overhead of fuzz testing

* make workflow names consistent

* fix

Author: andygrove

.github/workflows/pr_build_linux.yml

@@ -169,27 +169,27 @@ jobs:
           - name: "Spark 3.5.5, JDK 17, Scala 2.13"
             java_version: "17"
             maven_opts: "-Pspark-3.5 -Dspark.version=3.5.5 -Pscala-2.13"
-            scan_impl: "native_comet"
+            scan_impl: "auto"
 
           - name: "Spark 3.5.6, JDK 17, Scala 2.13"
             java_version: "17"
             maven_opts: "-Pspark-3.5 -Dspark.version=3.5.6 -Pscala-2.13"
             scan_impl: "native_comet"
 
-          - name: "Spark 3.5, JDK 17, Scala 2.12 native_datafusion"
+          - name: "Spark 3.5, JDK 17, Scala 2.12"
             java_version: "17"
             maven_opts: "-Pspark-3.5 -Pscala-2.12"
             scan_impl: "native_datafusion"
 
-          - name: "Spark 3.5, JDK 17, Scala 2.12 native_iceberg_compat"
+          - name: "Spark 3.5, JDK 17, Scala 2.12"
             java_version: "17"
             maven_opts: "-Pspark-3.5 -Pscala-2.12"
             scan_impl: "native_iceberg_compat"
 
           - name: "Spark 4.0, JDK 17"
             java_version: "17"
             maven_opts: "-Pspark-4.0"
-            scan_impl: "native_comet"
+            scan_impl: "auto"
         suite:
           - name: "fuzz"
             value: |
@@ -267,7 +267,7 @@ jobs:
             value: |
               org.apache.spark.sql.CometToPrettyStringSuite
       fail-fast: false
-    name: ${{ matrix.os }}/${{ matrix.profile.name }} [${{ matrix.suite.name }}]
+    name: ${{ matrix.os }}/${{ matrix.profile.name }}/${{ matrix.profile.scan_impl }} [${{ matrix.suite.name }}]
     runs-on: ${{ matrix.os }}
     container:
       image: amd64/rust

spark/src/test/scala/org/apache/comet/CometFuzzTestBase.scala

@@ -112,18 +112,11 @@ class CometFuzzTestBase extends CometTestBase with AdaptiveSparkPlanHelper {
   override protected def test(testName: String, testTags: Tag*)(testFun: => Any)(implicit
       pos: Position): Unit = {
     Seq("native", "jvm").foreach { shuffleMode =>
-      Seq(
-        CometConf.SCAN_AUTO,
-        CometConf.SCAN_NATIVE_COMET,
-        CometConf.SCAN_NATIVE_DATAFUSION,
-        CometConf.SCAN_NATIVE_ICEBERG_COMPAT).foreach { scanImpl =>
-        super.test(testName + s" ($scanImpl, $shuffleMode shuffle)", testTags: _*) {
-          withSQLConf(
-            CometConf.COMET_NATIVE_SCAN_IMPL.key -> scanImpl,
-            CometConf.COMET_PARQUET_UNSIGNED_SMALL_INT_CHECK.key -> "false",
-            CometConf.COMET_SHUFFLE_MODE.key -> shuffleMode) {
-            testFun
-          }
+      super.test(testName + s" ($shuffleMode shuffle)", testTags: _*) {
+        withSQLConf(
+          CometConf.COMET_PARQUET_UNSIGNED_SMALL_INT_CHECK.key -> "false",
+          CometConf.COMET_SHUFFLE_MODE.key -> shuffleMode) {
+          testFun
         }
       }
     }