Include examples and clarify usage

include/tests_custom.template

@@ -33,22 +33,27 @@
     # Description : Check for something interesting - template
     # Notes       : This test first checks if OpenSSL binary was found
 
-    # * Prerequisites check
+    # * Prerequisites Check
+    # -----------------------
     #
-    # We check first if a variable is defined (OPENSSLBINARY).
-    # Other good options to check for:
-    # -f /etc/file
-    # -d /var/run/mydirectory
-    # ${MYVARIABLE} -eq 1
-    if [ ! -z "${OPENSSLBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
+    # Check first if any dependency. If it doesn't meet, the test will be skipped after registration (SKIPTEST == 1)
+    #
+    # Examples:
+    # -f /etc/file                     =  Test if file exists
+    # -d /var/run/mydirectory          =  Test if directory exists
+    # ${MYVARIABLE} -eq 1              =  Test if variable is set to 1
+    # "${MYVARIABLE}" = "Value"        =  Test if variable is equal to specific value
 
-    # * Test registration
+    if [ -f /etc/myfile ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
+
+    # * Registration of Test
+    # ------------------------
     #
     # Register the test, with custom ID CUST-0010, and only execute it when the prerequisites were met
-    Register --test-no CUST-0010 --preqs-met ${PREQS_MET} --weight L --network NO --description "My description of what this test does"
+    Register --test-no CUST-0010 --preqs-met ${PREQS_MET} --weight L --network NO --description "Description of what this test does"
 
-    # Or you could use this one without any dependencies
-    # Register --test-no CUST-0010 --weight L --network NO --description "My description"
+    # Or we could use this test without any dependencies
+    # Register --test-no CUST-0010 --weight L --network NO --description "Description of what this test does"
 
     # If everything is fine, perform test
     if [ ${SKIPTEST} -eq 0 ]; then