testsuite: Add basic grpck, passwd, and pwck test cases.

test/completion/grpck.exp

@@ -0,0 +1 @@
+assert_source_completions grpck

test/completion/passwd.exp

@@ -0,0 +1 @@
+assert_source_completions passwd

test/completion/pwck.exp

@@ -0,0 +1 @@
+assert_source_completions pwck

test/lib/completions/grpck.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "grpck "
+
+
+sync_after_int
+
+
+teardown

test/lib/completions/passwd.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "passwd "
+
+
+sync_after_int
+
+
+teardown

test/lib/completions/pwck.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "pwck "
+
+
+sync_after_int
+
+
+teardown