Match the logic from functional tests script

The current logic assumes there will be no multi-value
dotnet testing branches but we could be wrong...

So, to be on the safe side, It's better to match the logic
with functional tests' version.

build.sh

@@ -24,7 +24,7 @@ fi
 chmod +x cli/dotnet-install.sh
 
 # Get recommended version for bootstrapping testing version
-cli/dotnet-install.sh -i cli -c 1.0
+cli/dotnet-install.sh -i cli -c 2.2 -nopath
 
 if (( $? )); then
 	echo "The .NET CLI Install failed!!"
@@ -42,24 +42,34 @@ echo "dotnet msbuild build/config.props /v:m /nologo /t:GetCliBranchForTesting"
 IFS=$'\n'
 CMD_OUT_LINES=(`dotnet msbuild build/config.props /v:m /nologo /t:GetCliBranchForTesting`)
 # Take only last the line which has the version information and strip all the spaces
-CMD_LAST_LINE=${CMD_OUT_LINES[-1]//[[:space:]]}
+DOTNET_BRANCHES=${CMD_OUT_LINES[-1]//[[:space:]]}
 unset IFS
 
 IFS=$';'
-DOTNET_BRANCHES=(${CMD_LAST_LINE})
-unset IFS
-
-IFS=$':'
-DOTNET_BRANCH=(${DOTNET_BRANCHES[0]})
-unset IFS
-
-echo $DOTNET_BRANCH
-cli/dotnet-install.sh -i cli -c $DOTNET_BRANCH
-
-if (( $? )); then
-	echo "The .NET CLI Install failed!!"
-	exit 1
-fi
+for DOTNET_BRANCH in ${DOTNET_BRANCHES[@]}
+do
+	echo $DOTNET_BRANCH
+
+	IFS=$':'
+	ChannelAndVersion=($DOTNET_BRANCH)
+	Channel=${ChannelAndVersion[0]}
+	if [ ${#ChannelAndVersion[@]} -eq 1 ]
+	then
+		Version="latest"
+	else
+		Version=${ChannelAndVersion[1]}
+	fi
+	unset IFS
+
+	echo "Channel is: $Channel"
+	echo "Version is: $Version"
+	cli/dotnet-install.sh -i cli -c $Channel -v $Version -nopath
+
+	if (( $? )); then
+		echo "The .NET CLI Install for $DOTNET_BRANCH failed!!"
+		exit 1
+	fi
+done
 
 # Display .NET CLI info
 $DOTNET --info