Add missing test cases for hash commands (redis#12851)

We dont have test for hgetall against key doesnot exist so added the
test in test suite and along with this, added wrong type cases for other
missing commands.

tests/unit/type/hash.tcl

@@ -363,6 +363,11 @@ start_server {tags {"hash"}} {
         assert_error "WRONGTYPE Operation against a key*" {r hvals wrongtype}
         assert_error "WRONGTYPE Operation against a key*" {r hkeys wrongtype}
         assert_error "WRONGTYPE Operation against a key*" {r hexists wrongtype field1}
+        assert_error "WRONGTYPE Operation against a key*" {r hset wrongtype field1 val1}
+        assert_error "WRONGTYPE Operation against a key*" {r hmset wrongtype field1 val1 field2 val2}
+        assert_error "WRONGTYPE Operation against a key*" {r hsetnx wrongtype field1 val1}
+        assert_error "WRONGTYPE Operation against a key*" {r hlen wrongtype}
+        assert_error "WRONGTYPE Operation against a key*" {r hscan wrongtype 0}
     }
 
     test {HMGET - small hash} {
@@ -429,6 +434,11 @@ start_server {tags {"hash"}} {
         lsort [r hgetall bighash]
     } [lsort [array get bighash]]
 
+    test {HGETALL against non-existing key} {
+        r del htest
+        r hgetall htest
+    } {}
+
     test {HDEL and return value} {
         set rv {}
         lappend rv [r hdel smallhash nokey]