tests: Add tests to validate listcon and listproj.

Two basic tests to ensure that listcon and listproj
function as expected.

Signed-off-by: Emil Sit <sit@emilsit.net>

tests/t1320-listproj.sh

@@ -0,0 +1,58 @@
+#!/bin/sh
+#
+
+test_description='listproj functionality
+
+This test checks basic project listing functionality
+'
+. ./test-lib.sh
+
+cat > todo.txt <<EOF
+item 1
+item 2
+item 3
+EOF
+test_expect_success 'listproj no projects' '
+    todo.sh listproj > output && ! test -s output
+'
+
+cat > todo.txt <<EOF
+(A) +1 -- Some project 1 task, whitespace, one char
+(A) +p2 -- Some project 2 task, whitespace, two char
++prj03 -- Some project 3 task, no whitespace
++prj04 -- Some project 4 task, no whitespace
++prj05+prj06 -- weird project
+EOF
+test_todo_session 'Single project per line' <<EOF
+>>> todo.sh listproj
++1
++p2
++prj03
++prj04
++prj05+prj06
+EOF
+
+cat > todo.txt <<EOF
++prj01 -- Some project 1 task
++prj02 -- Some project 2 task
++prj02 +prj03 -- Multi-project task
+EOF
+test_todo_session 'Multi-project per line' <<EOF
+>>> todo.sh listproj
++prj01
++prj02
++prj03
+EOF
+
+cat > todo.txt <<EOF
++prj01 -- Some project 1 task
++prj02 -- Some project 2 task
++prj02 ginatrapani+todo@gmail.com -- Some project 2 task
+EOF
+test_todo_session 'listproj embedded + test' <<EOF
+>>> todo.sh listproj
++prj01
++prj02
+EOF
+
+test_done