refactor(core): split RuntimeError unit test up (#46239)
refactor(core): split RuntimeError unit test up (#46239)

split the single RuntimeError utils test testing about the correct
formatting of errors in multiple separate unit tests (for better
granularity and clearness)

PR Close #46239

JiaLiPassion/angular,angular-indonesia/angular,gkalpak/angular,JiaLiPassion/angular,gnomeontherun/angular,angular/angular,angular/angular,angular-indonesia/angular,JiaLiPassion/angular,JiaLiPassion/angular,gkalpak/angular,gnomeontherun/angular,gkalpak/angular,gnomeontherun/angular,angular/angular,gkalpak/angular,gnomeontherun/angular,angular-indonesia/angular,angular/angular,angular-indonesia/angular