docs: fix typo in testing guide (#26828)
docs: fix typo in testing guide (#26828)

PR Close #26828

alxhub/angular,manekinekko/angular,sarunint/angular,juristr/angular,jasonaden/angular,brandonroberts/angular,juristr/angular,juristr/angular,matsko/angular,vikerman/angular,mprobst/angular,mlaval/angular,shairez/angular,gdi2290/angular,angular/angular,gkalpak/angular,StephenFluin/angular,Brocco/angular,filipesilva/angular,juristr/angular,snaptech/angular,JiaLiPassion/angular,alexeagle/angular,gkalpak/angular,gnomeontherun/angular,gnomeontherun/angular,manekinekko/angular,mlaval/angular,jasonaden/angular,wKoza/angular,hansl/angular,matsko/angular,alxhub/angular,alxhub/angular,gkalpak/angular,StephenFluin/angular,IdeaBlade/angular,mprobst/angular,snaptech/angular,mhevery/angular,IdeaBlade/angular,petebacondarwin/angular,vikerman/angular,petebacondarwin/angular,matsko/angular,petebacondarwin/angular,ultrasonicsoft/angular,juristr/angular,vikerman/angular,gdi2290/angular,shairez/angular,Toxicable/angular,petebacondarwin/angular,jasonaden/angular,gnomeontherun/angular,alexeagle/angular,IgorMinar/angular,ultrasonicsoft/angular,snaptech/angular,hansl/angular,mprobst/angular,manekinekko/angular,hansl/angular,Toxicable/angular,Brocco/angular,angular/angular,brandonroberts/angular,IgorMinar/angular,gkalpak/angular,Toxicable/angular,vikerman/angular,Toxicable/angular,ultrasonicsoft/angular,sarunint/angular,wKoza/angular,sarunint/angular,manekinekko/angular,mprobst/angular,jasonaden/angular,filipesilva/angular,petebacondarwin/angular,vikerman/angular,sarunint/angular,mlaval/angular,mgechev/angular,matsko/angular,wKoza/angular,angular-indonesia/angular,StephenFluin/angular,IgorMinar/angular,IgorMinar/angular,angular-indonesia/angular,gdi2290/angular,vikerman/angular,angular/angular,ultrasonicsoft/angular,IdeaBlade/angular,manekinekko/angular,mprobst/angular,blesh/angular,shairez/angular,IgorMinar/angular,StephenFluin/angular,alexeagle/angular,angular-indonesia/angular,filipesilva/angular,shairez/angular,blesh/angular,angular-indonesia/angular,wKoza/angular,Brocco/angular,hansl/angular,ocombe/angular,Brocco/angular,alexeagle/angular,brandonroberts/angular,gdi2290/angular,mhevery/angular,hansl/angular,gdi2290/angular,brandonroberts/angular,mhevery/angular,mgechev/angular,blesh/angular,mgechev/angular,sarunint/angular,mhevery/angular,mgechev/angular,blesh/angular,gdi2290/angular,ocombe/angular,blesh/angular,petebacondarwin/angular,JiaLiPassion/angular,alxhub/angular,mprobst/angular,ultrasonicsoft/angular,JiaLiPassion/angular,snaptech/angular,gnomeontherun/angular,manekinekko/angular,Toxicable/angular,JiaLiPassion/angular,shairez/angular,ocombe/angular,IdeaBlade/angular,Brocco/angular,sarunint/angular,snaptech/angular,jasonaden/angular,hansl/angular,matsko/angular,StephenFluin/angular,alexeagle/angular,juristr/angular,snaptech/angular,IgorMinar/angular,filipesilva/angular,brandonroberts/angular,wKoza/angular,alxhub/angular,Brocco/angular,ultrasonicsoft/angular,mhevery/angular,angular/angular,ocombe/angular,IdeaBlade/angular,mgechev/angular,jasonaden/angular,Toxicable/angular,ocombe/angular,mhevery/angular,mlaval/angular,alexeagle/angular,mlaval/angular,brandonroberts/angular,ocombe/angular,filipesilva/angular,wKoza/angular