[TESTBUG] Several ietestcenter/Javascript DRT tests fail with 8u112

Several ietestcenter/Javascript DRT tests fail.
These tests were present in old DRT workspace before 8u112 Webkit merge.

Tests pass with 8u102, but fail with 8u112 and 9.

Tests list:
ietestcenter/Javascript/15.2.3.10-1.html
ietestcenter/Javascript/15.2.3.11-1.html
ietestcenter/Javascript/15.2.3.12-1.html
ietestcenter/Javascript/15.2.3.13-1.html
ietestcenter/Javascript/15.2.3.14-1-1.html
ietestcenter/Javascript/15.2.3.14-1-2.html
ietestcenter/Javascript/15.2.3.14-1-3.html
ietestcenter/Javascript/15.2.3.2-1.html
ietestcenter/Javascript/15.2.3.3-1.html
ietestcenter/Javascript/15.2.3.4-1.html
ietestcenter/Javascript/15.2.3.8-1.html
ietestcenter/Javascript/15.2.3.9-1.html