Refactor tests under services package

[russjones]

Refactored all tests under lib/services/suite to use testify instead of gocheck.

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Used the following gofmt rewrite rules to automate most of the refactoring.

gofmt -r 'c.Assert(a, check.NotNil) -> require.NotNil(t, a)' -w *_test.go   
gofmt -r 'c.Assert(a, check.NotNil, b) -> require.NotNilf(t, a, b)' -w *_test.go   
gofmt -r 'c.Assert(a, check.FitsTypeOf, b) -> require.IsTypef(t, a, b)' -w *_test.go   
gofmt -r 'c.Assert(a, check.IsNil) -> require.NoError(t, a)' -w *_test.go   
gofmt -r 'c.Assert(a, check.IsNil, d) -> require.NoError(t, a, d)' -w *_test.go   
gofmt -r 'c.Assert(a, check.Equals, b) -> require.Equal(t, a, b)' -w *_test.go
gofmt -r 'c.Assert(a, check.HasLen, b) -> require.Len(t, a, b)' -w *_test.go
gofmt -r 'c.Assert(a, check.DeepEquals, b) -> require.Empty(t, cmp.Diff(a, b))' -w *_test.go
gofmt -r 'c.Assert(a, check.DeepEquals, b, d) -> require.Empty(t, cmp.Diff(a, b), d)' -w *_test.go
gofmt -r 'c.Assert(a, check.Equals, b, d) -> require.Equal(t, a, b, d)' -w *_test.go
gofmt -r 'c.Assert(a, check.ErrorMatches, b) -> require.ErrorContains(t, err, b)' -w *_test.go
gofmt -r 'check.Commentf(a, b) -> fmt.Sprintf(a, b)' -w *_test.go
gofmt -r 'fixtures.DeepCompare(c, a, b) -> require.Empty(t, cmp.Diff(a, b))' -w *_test.go
gofmt -r 'fixtures.ExpectNotFound(c, a) -> require.True(t, trace.IsNotFound(a))' -w *_test.go
gofmt -r 'fixtures.ExpectBadParameter(c, a) -> require.True(t, trace.IsBadParameter(a))' -w *_test.go
gofmt -r 'fixtures.ExpectAlreadyExists(c, a) -> require.True(t, trace.IsAlreadyExists(a))' -w *_test.go
gofmt -r 'fixtures.ExpectLimitExceeded(c, a) -> require.True(t, trace.IsLimitExceeded(a))' -w *_test.go
gofmt -r 'fixtures.ExpectConnectionProblem(c, a) -> require.True(t, trace.IsConnectionProblem(a))' -w *_test.go
gofmt -r 'fixtures.ExpectAccessDenied(c, a) -> require.True(t, trace.IsAccessDenied(a))' -w *_test.go
gofmt -r 'c.Errorf(a) -> t.Errorf(a)' -w *_test.go
gofmt -r 'c.Errorf(a, b) -> t.Errorf(a, b)' -w *_test.go
gofmt -r 'c.Fatalf(a) -> t.Fatalf(a)' -w *_test.go
gofmt -r 'c.Fatalf(a, b) -> t.Fatalf(a, b)' -w *_test.go