Revise test temp folder

.gitignore

@@ -160,3 +160,6 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+# testing temporary folders
+test/temp*

test/conftest.py

@@ -13,7 +13,7 @@ def get_network(fname=sample_networks[0]):
     return os.path.join(os.path.dirname(__file__), "test_data", fname)
 
 
-def check_compare(fp_n1, fp_n2, fp_out="tmp.txt"):
+def check_compare(fp_n1, fp_n2, fp_out="test/temp/tmp.txt"):
     """
     Utility function to compare two netCDF files and check if they are the same.
 

test/test_io.py

@@ -1,10 +1,13 @@
 from conftest import get_network, check_compare
 import smspy
+import os
 
 
 def test_load_save_network():
     fp_n1 = get_network()
-    fp_n2 = "resaved_file.nc4"
+    fp_n2 = "test/temp/resaved_file.nc4"
+    os.makedirs(os.path.dirname(fp_n2), exist_ok=True)
+
     # Load a sample network
     net = smspy.SMSNetwork(fp_n1)
     # Save the network to a temporary file