tests: add and update tests

see also should#31

algo/tests/should-get-tests/error-unknown-option.should-get

+!LAUNCH: $VIDJIL_DIR/$EXEC $VIDJIL_DEFAULT_OPTIONS --hello reads 2>&1
+!EXIT_CODE: 109
+
+$ Unknown option
+1:error.* --hello
+ 
+$ Refer to online help and documentation
+1:run with -h
+1:see doc/vidjil-algo.md

algo/tests/should-get-tests/vidjil-error-no-germline.should-get

@@ -5,6 +5,9 @@
 $ Error, no germlines
 1:error.* one germline must be given
 
+$ Refer to documentation
+1:see doc/vidjil-algo.md
+
 
 
 

algo/tests/should-get-tests/vidjil-warning-A.should-get

@@ -7,6 +7,6 @@ $ Warning in json output
 1: "code": "W20", "level": "warn", "msg": "Very few V.D.J recombinations found: 0.00."
 
 $ Link to documentation
-1:vidjil-algo.md
+3:vidjil-algo.md
 
 

algo/tests/should-get-tests/vidjil-warning-z.should-get

@@ -5,4 +5,4 @@ $ Warning, -z
 1:WARNING
 
 $ Link to documentation
-1:vidjil-algo.md
+2:vidjil-algo.md