diff --git a/test_container/tests/test/disabled/search.py b/test_container/tests/test/disabled/search.py
index 2ffe27785..b41ca9d67 100755
--- a/test_container/tests/test/disabled/search.py
+++ b/test_container/tests/test/disabled/search.py
@@ -10,7 +10,7 @@
 '''
 
         cmd = '''%(exaplus)s -c %(conn)s -u sys -P exasol
-		-no-config -autocommit ON -L -pipe''' % {
+		-no-config -autocommit ON -L -pipe -jdbcparam "validateservercertificate=0"''' % {
 			'exaplus': os.environ.get('EXAPLUS',
 				'/usr/opt/EXASuite-4/EXASolution-4.2.9/bin/Console/exaplus'),
 			'conn': udf.opts.server
diff --git a/test_container/tests/test/generic/dynamic_input.py b/test_container/tests/test/generic/dynamic_input.py
index d903aa186..83b0f5f3f 100755
--- a/test_container/tests/test/generic/dynamic_input.py
+++ b/test_container/tests/test/generic/dynamic_input.py
@@ -207,12 +207,12 @@ def test_exception_wrong_operation(self):
 
     @requires('EMPTY_SET_RETURNS')
     def test_exception_empty_set_returns(self):
-        with self.assertRaisesRegex(Exception, 'user defined set script has no arguments'):
+        with self.assertRaisesRegex(Exception, 'data exception - missing input parameters for SET UDF script'):
             self.query('''select fn1.empty_set_returns() from groupt''')
 
     @requires('EMPTY_SET_EMITS')
     def test_exception_empty_set_emits(self):
-        with self.assertRaisesRegex(Exception, 'user defined set script has no arguments'):
+        with self.assertRaisesRegex(Exception, 'data exception - missing input parameters for SET UDF script'):
             self.query('''select fn1.empty_set_emits() from groupt''')
 
 class DynamicInputOptimizations(Test):
diff --git a/test_container/tests/test/generic/performance.py b/test_container/tests/test/generic/performance.py
index 74bfbf436..f69e8ca42 100755
--- a/test_container/tests/test/generic/performance.py
+++ b/test_container/tests/test/generic/performance.py
@@ -229,7 +229,7 @@ def setUpClass(cls):
             REJECT LIMIT 0;"""
 
         cmd = '''%(exaplus)s -c %(conn)s -u sys -P exasol
-		        -no-config -autocommit ON -L -pipe''' % {
+		        -no-config -autocommit ON -L -pipe -jdbcparam "validateservercertificate=0"''' % {
             'exaplus': os.environ.get('EXAPLUS',
                                       '/usr/opt/EXASuite-4/EXASolution-4.2.9/bin/Console/exaplus'),
             'conn': udf.opts.server
diff --git a/test_container/tests/test/generic/unicode.py b/test_container/tests/test/generic/unicode.py
index 0ebbe9ebb..b18af25df 100755
--- a/test_container/tests/test/generic/unicode.py
+++ b/test_container/tests/test/generic/unicode.py
@@ -41,7 +41,7 @@ def run(ctx):
            select pyversion_schema.python_version();
            ''' % {'sl': script_languages})
     cmd = '''%(exaplus)s -c %(conn)s -u sys -P exasol
-		        -no-config -autocommit ON -L -pipe''' % {
+		        -no-config -autocommit ON -L -pipe -jdbcparam "validateservercertificate=0"''' % {
         'exaplus': os.environ.get('EXAPLUS',
                                   '/usr/opt/EXASuite-4/EXASolution-4.2.9/bin/Console/exaplus'),
         'conn': server
@@ -136,7 +136,7 @@ def setUpModule():
             ROW SEPARATOR = 'CRLF';
             ''' % os.path.join(os.getcwd(), csvfile.name)
         cmd = '''%(exaplus)s -c %(conn)s -u sys -P exasol
-		        -no-config -autocommit ON -L -pipe''' % {
+		        -no-config -autocommit ON -L -pipe -jdbcparam "validateservercertificate=0"''' % {
             'exaplus': os.environ.get('EXAPLUS',
                                       '/usr/opt/EXASuite-4/EXASolution-4.2.9/bin/Console/exaplus'),
             'conn': udf.opts.server
diff --git a/test_container/tests/test/java/unicode.py b/test_container/tests/test/java/unicode.py
index f34316c5e..1f12d3544 100755
--- a/test_container/tests/test/java/unicode.py
+++ b/test_container/tests/test/java/unicode.py
@@ -14,7 +14,7 @@
 class JavaUnicode(udf.TestCase):
     def test_unicode_umlaute(self):
         cmd = '''%(exaplus)s -c %(conn)s -u sys -P exasol
-		-no-config -autocommit ON -L -pipe''' % {
+		-no-config -autocommit ON -L -pipe -jdbcparam "validateservercertificate=0"''' % {
 			'exaplus': os.environ.get('EXAPLUS',
 				'/usr/opt/EXASuite-5/EXASolution-5.0.rc1/bin/Console/exaplus'),
 			'conn': udf.opts.server
diff --git a/test_container/tests/test/performance/python_set_emit_consume_large_string_columns.py b/test_container/tests/test/performance/python_set_emit_consume_large_string_columns.py
index 14d4c97a8..fc652345e 100644
--- a/test_container/tests/test/performance/python_set_emit_consume_large_string_columns.py
+++ b/test_container/tests/test/performance/python_set_emit_consume_large_string_columns.py
@@ -26,7 +26,7 @@ def generate_data_linear(self, multiplier, base=10):
         try:
             os.mkfifo(fifo_filename)
             cmd = '''%(exaplus)s -c %(conn)s -u %(user)s -P %(password)s -s %(schema)s
-                            -no-config -autocommit ON -L -pipe''' % {
+                            -no-config -autocommit ON -L -pipe -jdbcparam "validateservercertificate=0"''' % {
                                     'exaplus': os.environ.get('EXAPLUS'),
                                     'conn': udf.opts.server,
                                     'user': self.user,
diff --git a/test_container/tests/test/python3/all/unicode.py b/test_container/tests/test/python3/all/unicode.py
index 586e8b22a..70ba6ae2d 100755
--- a/test_container/tests/test/python3/all/unicode.py
+++ b/test_container/tests/test/python3/all/unicode.py
@@ -13,8 +13,8 @@
 
 class PythonUnicode(udf.TestCase):
     def test_unicode_umlaute(self):
-        cmd = '''%(exaplus)s -c %(conn)s -u sys -P exasol
-		-no-config -autocommit ON -L -pipe''' % {
+        cmd = '''%(exaplus)s -c %(conn)s -u sys -P exasol 
+		-no-config -autocommit ON -L -pipe -jdbcparam "validateservercertificate=0"''' % {
             'exaplus': os.environ.get('EXAPLUS',
                                       '/usr/opt/EXASuite-4/EXASolution-4.2.9/bin/Console/exaplus'),
             'conn': udf.opts.server