added to student_test.sh and passed tests. fully finished with coding assigmment

4-ShellP2/student_test.sh

@@ -5,7 +5,7 @@
 # Create your unit tests suit in this file
 
 @test "Example: check ls runs without errors" {
-    run ./dsh <<EOF                
+    run "./dsh" <<EOF                
 ls
 EOF
 
@@ -13,11 +13,27 @@ EOF
     [ "$status" -eq 0 ]
 }
 
-@test "Change directory to bats" {
-	run ./dsh <<EOF
-cd bats
+@test "Change directory, then remove directory" {
+	run "./dsh" <<EOF
+cd dsh-test
+cd ..
+rm dsh-test
 EOF
+
+	[ "$status" -eq 0 ]
+}
+
+@test "check echo runs without errors" {
+	run "./dsh" << EOF
+echo "helloooooo sailor"
+EOF
+	# Strip all whitespace (spaces, tabs, newlines) from the output
+    stripped_output=$(echo "$output" | tr -d '\t\n\r\f\v')
+
+    # Expected output with all whitespace removed for easier matching
+    expected_output="helloooooo sailordsh2> dsh2> cmd loop returned 0"
+
 	[ "$stripped_output" = "$expected_output" ]
 
-	[ "$status" -eq 0]
+	[ "$status" -eq 0 ]
 }