Add Unit test cases for field default value

[abbadon1334]

add unit tests to check case #449

[codecov]

Codecov Report

Merging #458 into develop will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop     #458   +/-   ##
==========================================
  Coverage      86.75%   86.75%           
  Complexity      1200     1200           
==========================================
  Files             27       27           
  Lines           2642     2642           
==========================================
  Hits            2292     2292           
  Misses           350      350

---

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[codecov]

Codecov Report

Merging #458 into develop will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop     #458   +/-   ##
==========================================
  Coverage      86.76%   86.76%           
+ Complexity      1202     1199    -3     
==========================================
  Files             27       27           
  Lines           2645     2645           
==========================================
  Hits            2295     2295           
  Misses           350      350

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #458 into develop will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop     #458   +/-   ##
==========================================
  Coverage      86.76%   86.76%           
+ Complexity      1202     1199    -3     
==========================================
  Files             27       27           
  Lines           2645     2645           
==========================================
  Hits            2295     2295           
  Misses           350      350

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 328a258...b6cac71. Read the comment docs.

[codecov]

Codecov Report

Merging #458 into develop will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop     #458   +/-   ##
==========================================
  Coverage      86.76%   86.76%           
+ Complexity      1202     1199    -3     
==========================================
  Files             27       27           
  Lines           2645     2645           
==========================================
  Hits            2295     2295           
  Misses           350      350

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 328a258...b6cac71. Read the comment docs.

[PhilippGrashoff]

LGTM