For manual inspection, it may help to check frame and rules separately, rather than trying to check both at the same time.

rule+frame Tests (without border) [Strict Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go
rule+frame Tests with border [Strict Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go
rule+frame Tests with border="5" [Strict Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go
rule+frame Tests with border="0" [Strict Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go
rule+frame Tests (without border) [Quirks Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go
rule+frame Tests with border [Quirks Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go
rule+frame Tests with border="5" [Quirks Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go
rule+frame Tests with border="0" [quirks Mode]
frame
void above below hsides vsides lhs rhs box border
rules Go Go Go Go Go Go Go Go Go Go
none Go Go Go Go Go Go Go Go Go Go
groups Go Go Go Go Go Go Go Go Go Go
rows Go Go Go Go Go Go Go Go Go Go
cols Go Go Go Go Go Go Go Go Go Go
all Go Go Go Go Go Go Go Go Go Go