Test improvements.

Author: anthony-tuininga

tests/test_1000_module.py

@@ -250,6 +250,16 @@ def test_1008(self):
         )
         self.assertIs(oracledb.VECTOR_FORMAT_INT8, oracledb.VectorFormat.INT8)
 
+    def test_1009(self):
+        "1009 - test enable_thin_mode()"
+        if test_env.get_is_thin():
+            oracledb.enable_thin_mode()
+            with self.assertRaisesFullCode("DPY-2019"):
+                oracledb.init_oracle_client()
+        else:
+            with self.assertRaisesFullCode("DPY-2053"):
+                oracledb.enable_thin_mode()
+
 
 if __name__ == "__main__":
     test_env.run_test_cases()

tests/test_3700_var.py

@@ -512,6 +512,8 @@ def test_3731(self):
 
     def test_3732(self):
         "3732 - test encoding_errors"
+        if test_env.get_charset() != "AL32UTF8":
+            self.skipTest("Database character set must be AL32UTF8")
         str_value = "Я"
         replacement_char = "�"
         invalid_bytes = str_value.encode("windows-1251")