diff --git a/tests/QARegressionTests/globals.py b/tests/QARegressionTests/globals.py
index 70b3e47aa..1ed0bc456 100644
--- a/tests/QARegressionTests/globals.py
+++ b/tests/QARegressionTests/globals.py
@@ -1,5 +1,6 @@
 issue_datails_sheet = "Issue Details"
 dataset_details_sheet = "Dataset Details"
+entity_details_sheet = "Entity Details"
 rules_report_sheet = "Rules Report"
 issue_sheet_coreid_column = "A"
 dataset_sheet_dataset_column = "A"
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue1326.py b/tests/QARegressionTests/test_Issues/test_CoreIssue1326.py
index ef3bb1dcc..dfef7a49c 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue1326.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue1326.py
@@ -5,7 +5,7 @@
 import pytest
 from conftest import get_python_executable
 from QARegressionTests.globals import (
-    dataset_details_sheet,
+    entity_details_sheet,
     issue_datails_sheet,
     rules_report_sheet,
     issue_sheet_record_column,
@@ -81,7 +81,7 @@ def test_positive_dataset(self):
         if os.path.exists(excel_file_path):
             os.remove(excel_file_path)
 
-    def test_negaive_dataset(self):
+    def test_negative_dataset(self):
         # Run the command in the terminal
         command = [
             f"{get_python_executable()}",
@@ -115,12 +115,12 @@ def test_negaive_dataset(self):
         # # Open the Excel file
         workbook = openpyxl.load_workbook(excel_file_path)
 
-        # --- Dataset Details ---
-        dataset_sheet = workbook[dataset_details_sheet]
+        # --- Entity Details ---
+        dataset_sheet = workbook[entity_details_sheet]
         dataset_values = [row for row in dataset_sheet.iter_rows(values_only=True)][1:]
         dataset_values = [row for row in dataset_values if any(row)]
         assert len(dataset_values) > 0
-        assert dataset_values[0][0] == "StudyVersion.xpt"
+        assert dataset_values[0][0] == "StudyVersion"
         assert dataset_values[0][-1] == 7
 
         # --- Issue Summary ---
@@ -131,7 +131,7 @@ def test_negaive_dataset(self):
         summary_values = [row for row in summary_values if any(row)]
         assert len(summary_values) > 0
         assert summary_values[0][1] == "CORE-000409"
-        assert summary_values[0][3] == 7
+        assert summary_values[0][4] == 7
 
         # --- Issue Details ---
         expected_values = [
@@ -159,7 +159,7 @@ def test_negaive_dataset(self):
         rules_values = [row for row in rules_values if any(row)]
         assert len(rules_values) > 0
         assert rules_values[0][0] == "CORE-000409"
-        assert rules_values[0][-1] == "SUCCESS"
+        assert rules_values[0][-1] == "ISSUE REPORTED"
 
         if os.path.exists(excel_file_path):
             os.remove(excel_file_path)
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue1332.py b/tests/QARegressionTests/test_Issues/test_CoreIssue1332.py
index 3e206d758..ff98b9148 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue1332.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue1332.py
@@ -105,7 +105,7 @@ def test_ap_domain_should_be_correctly_substituted():
     rules_values = [row for row in rules_values if any(row)]
     assert len(rules_values) == 1
     assert rules_values[0][0] == "CORE-000181"
-    assert "SUCCESS" in rules_values[0]
+    assert "ISSUE REPORTED" in rules_values[0]
 
     if os.path.exists(excel_file_path):
         os.remove(excel_file_path)
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue1421.py b/tests/QARegressionTests/test_Issues/test_CoreIssue1421.py
index 11c0c7f2e..675a6359d 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue1421.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue1421.py
@@ -51,27 +51,29 @@ def test_validate_define_xml_against_lib_metadata():
     # Go to the "Issue Details" sheet
     sheet = workbook[issue_datails_sheet]
 
-    variables_values_column = sheet[issue_sheet_variable_column]
-    variables_values = [
-        cell.value for cell in variables_values_column[1:] if cell.value is not None
-    ]
-    assert len(variables_values) == 1
-    for value in variables_values:
-        assert len(value.split(",")) == 6
-
+    # Check Variable(s) column (H)
     variables_names_column = sheet["H"]
     variables_names_values = [
         cell.value for cell in variables_names_column[1:] if cell.value is not None
     ]
-    assert len(variables_names_values) == 1
+    assert len(variables_names_values) == 3
     for value in variables_names_values:
         assert len(value.split(",")) == 6
 
+    # Check Value(s) column (I)
+    variables_values_column = sheet[issue_sheet_variable_column]
+    variables_values = [
+        cell.value for cell in variables_values_column[1:] if cell.value is not None
+    ]
+    assert len(variables_values) == 3
+    for value in variables_values:
+        assert len(value.split(",")) == 6
+
     dataset_column = sheet["D"]
     dataset_column_values = [
         cell.value for cell in dataset_column[1:] if cell.value is not None
     ]
-    assert sorted(set(dataset_column_values)) == ["dm.xpt"]
+    assert sorted(set(dataset_column_values)) == ["dm.xpt", "suppec.xpt"]
 
     core_id_column = sheet[issue_sheet_coreid_column]
     core_id_column_values = [
@@ -85,7 +87,7 @@ def test_validate_define_xml_against_lib_metadata():
     ][1:]
     rules_values = [row for row in rules_values if any(row)]
     assert rules_values[0][0] == "CDISC.SDTMIG.CG0999"
-    assert "SUCCESS" in rules_values[0]
+    assert "ISSUE REPORTED" in rules_values[0]
     assert (
         rules_values[0][4]
         == "Issue with codelist definition in the Define-XML document."
@@ -97,13 +99,13 @@ def test_validate_define_xml_against_lib_metadata():
     dataset_values = [row for row in dataset_values if any(row)]
     assert len(dataset_values) > 0
     dataset_names = set(row[0] for row in dataset_values if row[0] is not None)
-    assert dataset_names == {"ae.xpt", "dm.xpt", "ec.xpt", "ex.xpt", "suppec.xpt"}
+    assert dataset_names == {"AE", "DM", "EC", "EX", "SUPPEC"}
     expected_records = {
-        "ae.xpt": 74,
-        "dm.xpt": 18,
-        "ec.xpt": 1590,
-        "ex.xpt": 1583,
-        "suppec.xpt": 13,
+        "AE": 74,
+        "DM": 18,
+        "EC": 1590,
+        "EX": 1583,
+        "SUPPEC": 13,
     }
     for row in dataset_values:
         dataset_name = row[0]
@@ -116,15 +118,14 @@ def test_validate_define_xml_against_lib_metadata():
         1:
     ]
     summary_values = [row for row in summary_values if any(row)]
-    assert len(summary_values) == 1
+    assert len(summary_values) == 2
     core_ids = set(row[1] for row in summary_values if row[1] is not None)
     assert core_ids == {"CDISC.SDTMIG.CG0999"}
     # Check Message and dataset columns
-    assert (
-        summary_values[0][2]
-        == "Issue with codelist definition in the Define-XML document."
-    )
-    assert summary_values[0][0] == "dm.xpt"
+    for row in summary_values:
+        assert row[2] == "Issue with codelist definition in the Define-XML document."
+    datasets_in_summary = set(row[0] for row in summary_values if row[0] is not None)
+    assert datasets_in_summary == {"dm.xpt", "suppec.xpt"}
 
     # Delete the excel file
     if os.path.exists(excel_file_path):
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue164.py b/tests/QARegressionTests/test_Issues/test_CoreIssue164.py
index 0f58d71eb..616f5f040 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue164.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue164.py
@@ -14,7 +14,7 @@
 @pytest.mark.regression
 def test_negative_dataset():
     command = (
-        f"{get_python_executable()} -m core test -s sdtmig -v 3.4 -r "
+        f"{get_python_executable()} -m core validate -s sdtmig -v 3.4 -r "
         + os.path.join("tests", "resources", "CoreIssue164", "rule.json")
         + " -dp "
         + os.path.join("tests", "resources", "CoreIssue164", "Negative_Dataset.json")
@@ -27,7 +27,7 @@ def test_negative_dataset():
     process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout, stderr = process.communicate()
 
-    file_name = stdout.decode().strip().split(": ")[1] + ".xlsx"
+    file_name = stdout.decode().strip().split(": ")[1]
     # Open the Excel file
     workbook = openpyxl.load_workbook(file_name)
 
@@ -76,7 +76,7 @@ def test_negative_dataset():
 @pytest.mark.regression
 def test_positive_dataset():
     command = (
-        f"{get_python_executable()} -m core test -s sdtmig -v 3.4 -r "
+        f"{get_python_executable()} -m core validate -s sdtmig -v 3.4 -r "
         + os.path.join("tests", "resources", "CoreIssue164", "rule.json")
         + " -dp "
         + os.path.join("tests", "resources", "CoreIssue164", "Positive_Dataset.json")
@@ -89,7 +89,7 @@ def test_positive_dataset():
     process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout, stderr = process.communicate()
 
-    file_name = stdout.decode().strip().split(": ")[1] + ".xlsx"
+    file_name = stdout.decode().strip().split(": ")[1]
     print(file_name)
     # Open the Excel file
     workbook = openpyxl.load_workbook(file_name)
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue576.py b/tests/QARegressionTests/test_Issues/test_CoreIssue576.py
index f602e1056..3426c94a5 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue576.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue576.py
@@ -24,7 +24,7 @@
 @pytest.mark.regression
 def test_negative_dataset():
     command = (
-        f"{get_python_executable()} -m core test -s sdtmig -v 3.4 -r "
+        f"{get_python_executable()} -m core validate -s sdtmig -v 3.4 -r "
         + os.path.join("tests", "resources", "CoreIssue576", "Rule_underscores.json")
         + " -dp "
         + os.path.join("tests", "resources", "CoreIssue576", "Datasets_Negative.json")
@@ -37,7 +37,7 @@ def test_negative_dataset():
     process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout, stderr = process.communicate()
 
-    file_name = stdout.decode().strip().split(": ")[1] + ".xlsx"
+    file_name = stdout.decode().strip().split(": ")[1]
     # Open the Excel file
     workbook = openpyxl.load_workbook(file_name)
 
@@ -62,7 +62,7 @@ def test_negative_dataset():
     ]
 
     # Perform the assertion
-    assert dataset_values[0] == "dm.xpt"
+    assert dataset_values[0] == "DM"
     assert len(dataset_values) == 1
 
     assert len(coreid_values) == 0
@@ -79,7 +79,7 @@ def test_negative_dataset():
 @pytest.mark.regression
 def test_positive_dataset():
     command = (
-        f"{get_python_executable()} -m core test -s sdtmig -v 3.4 -r "
+        f"{get_python_executable()} -m core validate -s sdtmig -v 3.4 -r "
         + os.path.join("tests", "resources", "CoreIssue576", "Rule_underscores.json")
         + " -dp "
         + os.path.join("tests", "resources", "CoreIssue576", "Datasets_positive.json")
@@ -92,7 +92,7 @@ def test_positive_dataset():
     process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout, stderr = process.communicate()
 
-    file_name = stdout.decode().strip().split(": ")[1] + ".xlsx"
+    file_name = stdout.decode().strip().split(": ")[1]
     # Open the Excel file
     workbook = openpyxl.load_workbook(file_name)
 
@@ -117,8 +117,8 @@ def test_positive_dataset():
     ]
 
     # Perform the assertion
-    assert dataset_values[0] == "suppae.xpt"
-    assert dataset_values[1] == "suppec.xpt"
+    assert dataset_values[0] == "SUPPAE"
+    assert dataset_values[1] == "SUPPEC"
 
     assert len(coreid_values) == 0
 
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue715.py b/tests/QARegressionTests/test_Issues/test_CoreIssue715.py
index 5459a6b74..a69f3421b 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue715.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue715.py
@@ -110,7 +110,7 @@ def test_negative_dataset(self):
         ]
         summary_values = [r for r in summary_values if any(r)]
         assert summary_values and summary_values[0][1] == "DDF00081"
-        assert summary_values[0][3] == 1
+        assert summary_values[0][4] == 1
 
         # Issue Details strict checks: now expect one row per error
         issue_details_sheet = workbook[issue_datails_sheet]
@@ -134,6 +134,6 @@ def test_negative_dataset(self):
         ][1:]
         rules_rows = [r for r in rules_rows if any(r)]
         assert rules_rows and rules_rows[0][0] == "DDF00081"
-        assert "SUCCESS" in rules_rows[0]
+        assert "ISSUE REPORTED" in rules_rows[0]
         if os.path.exists(excel_file_path):
             os.remove(excel_file_path)
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue720.py b/tests/QARegressionTests/test_Issues/test_CoreIssue720.py
index 239d2959c..a0b2e82ca 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue720.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue720.py
@@ -66,7 +66,7 @@ def test_negative_dataset(self):
         summary_rows = [r for r in summary_rows if any(r)]
         assert summary_rows[0][0] == "dm.xpt"
         assert summary_rows[0][1] == "CDISC.SENDIG.105"
-        assert summary_rows[0][3] == 1
+        assert summary_rows[0][4] == 1
 
         # Issue Details
         details_rows = [
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue747.py b/tests/QARegressionTests/test_Issues/test_CoreIssue747.py
index 4a5597787..c0a454407 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue747.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue747.py
@@ -21,7 +21,7 @@
 @pytest.mark.regression
 def test_CG0019():
     command = (
-        f"{get_python_executable()} -m core test -s sdtmig -v 3.4 -r "
+        f"{get_python_executable()} -m core validate -s sdtmig -v 3.4 -r "
         + os.path.join("tests", "resources", "CoreIssue747", "Rule_underscores.json")
         + " -dp "
         + os.path.join("tests", "resources", "CoreIssue747", "Datasets.json")
@@ -38,7 +38,7 @@ def test_CG0019():
     process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout, stderr = process.communicate()
 
-    file_name = stdout.decode().strip().split(": ")[1] + ".xlsx"
+    file_name = stdout.decode().strip().split(": ")[1]
     # Open the Excel file
     workbook = openpyxl.load_workbook(file_name)
 
@@ -64,9 +64,9 @@ def test_CG0019():
 
     # Perform the assertion
     assert process.returncode == 0, f"Process failed with error: {stderr.decode()}"
-    assert dataset_values[0] == "ecaa.xpt"
-    assert dataset_values[1] == "ecbb.xpt"
-    assert dataset_values[2] == "suppec.xpt"
+    assert dataset_values[0] == "ECAA"
+    assert dataset_values[1] == "ECBB"
+    assert dataset_values[2] == "SUPPEC"
     assert len(dataset_values) == 3
 
     assert len(coreid_values) == 4
diff --git a/tests/QARegressionTests/test_Issues/test_CoreIssue897.py b/tests/QARegressionTests/test_Issues/test_CoreIssue897.py
index c21c68041..67758617e 100644
--- a/tests/QARegressionTests/test_Issues/test_CoreIssue897.py
+++ b/tests/QARegressionTests/test_Issues/test_CoreIssue897.py
@@ -5,6 +5,7 @@
 import pytest
 from conftest import get_python_executable
 from QARegressionTests.globals import (
+    entity_details_sheet,
     issue_datails_sheet,
     rules_report_sheet,
     issue_sheet_record_column,
@@ -80,7 +81,7 @@ def test_positive_dataset(self):
         if os.path.exists(excel_file_path):
             os.remove(excel_file_path)
 
-    def test_negaive_dataset(self):
+    def test_negative_dataset(self):
         # Run the command in the terminal
         command = [
             f"{get_python_executable()}",
@@ -115,11 +116,11 @@ def test_negaive_dataset(self):
         workbook = openpyxl.load_workbook(excel_file_path)
 
         # --- Dataset Details ---
-        dataset_sheet = workbook["Dataset Details"]
+        dataset_sheet = workbook[entity_details_sheet]
         dataset_values = [row for row in dataset_sheet.iter_rows(values_only=True)][1:]
         dataset_values = [row for row in dataset_values if any(row)]
         assert len(dataset_values) > 0
-        assert dataset_values[0][0] == "NarrativeContentItem.xpt"
+        assert dataset_values[0][0] == "NarrativeContentItem"
         assert dataset_values[0][-1] == 170
 
         # --- Issue Summary ---
@@ -130,7 +131,7 @@ def test_negaive_dataset(self):
         summary_values = [row for row in summary_values if any(row)]
         assert len(summary_values) > 0
         assert summary_values[0][1] == "CORE-000409"
-        assert summary_values[0][3] == 4
+        assert summary_values[0][4] == 4
 
         # --- Issue Details ---
         issue_details_sheet = workbook["Issue Details"]
@@ -148,7 +149,7 @@ def test_negaive_dataset(self):
         rules_values = [row for row in rules_values if any(row)]
         assert len(rules_values) > 0
         assert rules_values[0][0] == "CORE-000409"
-        assert rules_values[0][-1] == "SUCCESS"
+        assert rules_values[0][-1] == "ISSUE REPORTED"
 
         if os.path.exists(excel_file_path):
             os.remove(excel_file_path)