Adjust the failed test files

Author: Fithi-Teklom

individual-shell-tools/cat/script-01.sh

@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the contents of the helper-1.txt file inside the helper-files directory to the terminal.
 # The output of this command should be "Once upon a time...".
 
-cat individual-shell-tools/helper-files/helper-1.txt
+cat ../helper-files/helper-1.txt

individual-shell-tools/cat/script-02.sh

@@ -12,4 +12,4 @@ set -euo pipefail
 # I was tempted to take a bite of it.
 # But this seemed like a bad idea...
 
-cat individual-shell-tools/helper-files/*
+cat ../helper-files/*

individual-shell-tools/cat/script-03.sh

@@ -10,4 +10,4 @@ set -euo pipefail
 # 2 I was tempted to take a bite of it.
 # 3 But this seemed like a bad idea...
 
-cat -n individual-shell-tools/helper-files/helper-3.txt 
+cat -n ../helper-files/helper-3.txt 

individual-shell-tools/cat/script-04-stretch.sh

@@ -14,4 +14,4 @@ set -euo pipefail
 # 4 I was tempted to take a bite of it.
 # 5 But this seemed like a bad idea...
 
-cat -n individual-shell-tools/helper-files/*
+cat -n ../helper-files/*

individual-shell-tools/grep/script-02.sh

@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output every line in dialogue.txt that contains the word Doctor (regardless of case).
 # The output should contain 9 lines.
 
-grep -i "^Doctor:" dialogue.txt
+grep -iw "Doctor" dialogue.txt

individual-shell-tools/sed/script-04.sh

@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output input.txt replacing every occurrence of the string "We'll" with "We will".
 # The output should contain 11 lines.
 
-sed "s/We'll/We will/g" input.txt
+sed 's/We'\''ll/We will/g' input.txt