fix ImplicitDMLCastingSuite and DeletionVectorsSuite

Author: allisonport-db

spark/src/main/scala/org/apache/spark/sql/delta/DeltaThrowable.scala

@@ -25,7 +25,7 @@ trait DeltaThrowable extends SparkThrowable {
   // Portable error identifier across SQL engines
   // If null, error class or SQLSTATE is not set
   override def getSqlState: String =
-    DeltaThrowableHelper.getSqlState(this.getErrorClass.split('.').head)
+    DeltaThrowableHelper.getSqlState(this.getErrorClass)
 
   // True if this error is an internal error.
   override def isInternalError: Boolean = DeltaThrowableHelper.isInternalError(this.getErrorClass)

spark/src/test/scala/org/apache/spark/sql/delta/ImplicitDMLCastingSuite.scala

@@ -339,7 +339,8 @@ class ImplicitDMLCastingSuite extends QueryTest
       val expectedDetails =
         Seq("DELTA_CAST_OVERFLOW_IN_TABLE_WRITE", sourceValueType, valueColumnName)
       for (detail <- expectedDetails) {
-        assert(userFacingError.toString.contains(detail))
+        assert(userFacingError.toString.contains(detail) ||
+          userFacingError.getCause.toString.contains(detail))
       }
     }
   }

spark/src/test/scala/org/apache/spark/sql/delta/deletionvectors/DeletionVectorsSuite.scala

@@ -17,6 +17,7 @@
 package org.apache.spark.sql.delta.deletionvectors
 
 import java.io.{File, FileNotFoundException}
+import java.net.URISyntaxException
 
 import org.apache.spark.sql.delta.{DeletionVectorsTableFeature, DeletionVectorsTestUtils, DeltaChecksumException, DeltaConfigs, DeltaLog, DeltaMetricsUtils, DeltaTestUtilsForTempViews}
 import org.apache.spark.sql.delta.DeltaTestUtils.{createTestAddFile, BOOLEAN_DOMAIN}
@@ -705,7 +706,10 @@ class DeletionVectorsSuite extends QueryTest
       val e = intercept[SparkException] {
         spark.read.format("delta").load(dir.getCanonicalPath).collect()
       }
-      assert(e.getMessage.contains("URISyntaxException: Malformed escape pair"))
+      assert(e.getMessage.contains("URISyntaxException: Malformed escape pair") ||
+        (e.getCause.isInstanceOf[URISyntaxException] &&
+          e.getCause.getMessage.contains("Malformed escape pair"))
+      )
     }
   }