Check if memory leak fix resolves issue with test that timeout in travis.

.travis.yml

@@ -17,16 +17,11 @@ before_script:
 # more heap mem per https://github.com/angular/angular-cli/issues/12645, https://github.com/npm/npm/issues/12238#issuecomment-367147962
 - export NODE_OPTIONS="--max_old_space_size=4096"
 - npm install -g gulp
-- npm install -g istanbul-combine
 script:
 - npm run lint:lib
 - ng build igniteui-angular --prod
 - npm run build:style
-- if [ -z "${TRAVIS_TAG}" ]; then npm run test:lib:others; fi
-- if [ -z "${TRAVIS_TAG}" ]; then npm run test:lib:grid; fi
-- if [ -z "${TRAVIS_TAG}" ]; then npm run test:lib:tgrid; fi
-- if [ -z "${TRAVIS_TAG}" ]; then npm run test:lib:hgrid; fi
-- if [ -z "${TRAVIS_TAG}" ]; then istanbul-combine -d coverage -p none -r lcov -r html coverage/hierarchical-grid/coverage-final.json coverage/tree-grid/coverage-final.json coverage/non-grid/coverage-final.json coverage/grid/coverage-final.json; fi
+- if [ -z "${TRAVIS_TAG}" ]; then npm run test:lib; fi
 - if [ -z "${TRAVIS_TAG}" ]; then npm run test:schematics; fi
 - if [ -z "${TRAVIS_TAG}" ] && [ "${TRAVIS_REPO_SLUG}" == "IgniteUI/igniteui-angular" ]; then cat ./coverage/lcov.info | coveralls; fi
 

azure-pipelines.yml

@@ -7,42 +7,17 @@ steps:
   env:
     AZURE_PIPELINES: "true"
 
-- script: sudo npm install -g istanbul-combine
-  displayName: 'Install coverage combiner'
-  env:
-    AZURE_PIPELINES: "true"
-
 - script: npm run lint:lib
   displayName: 'Run lint'
 
 - script: npm run build:lib
   displayName: 'Build source code and styles'
 
-- script: npm run test:lib:azure:others
+- script: npm run test:lib:azure
   displayName: 'Run non-grid tests'
   env:
     NODE_OPTIONS: "--max_old_space_size=4096"
 
-- script: npm run test:lib:azure:grid
-  displayName: 'Run grid tests'
-  env:
-    NODE_OPTIONS: "--max_old_space_size=4096"
-
-- script: npm run test:lib:azure:tgrid
-  displayName: 'Run tree grid tests'
-  env:
-    NODE_OPTIONS: "--max_old_space_size=4096"
-
-- script: npm run test:lib:azure:hgrid
-  displayName: 'Run hierarchical grid tests'
-  env:
-    NODE_OPTIONS: "--max_old_space_size=4096"
-
-- script: istanbul-combine -d coverage -p none -r lcov -r cobertura coverage/hierarchical-grid/coverage-final.json coverage/tree-grid/coverage-final.json coverage/non-grid/coverage-final.json coverage/grid/coverage-final.json
-  displayName: 'Combine coverage results'
-  env:
-    AZURE_PIPELINES: "true"
-
 - script: cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
   condition: and(succeeded(), eq(variables['system.teamProject'], 'igniteui-angular'))
   displayName: 'Code coverage @ Coveralls'

package.json

@@ -10,14 +10,6 @@
     "e2e": "ng e2e",
     "test:lib": "ng test igniteui-angular --watch=false --no-progress --code-coverage",
     "test:lib:azure": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.azure.conf.js",
-    "test:lib:grid": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.grid.conf.js",
-    "test:lib:tgrid": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.tree-grid.conf.js",
-    "test:lib:hgrid": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.hierarchical-grid.conf.js",
-    "test:lib:others": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.non-grid.conf.js",
-    "test:lib:azure:grid": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.azure.grid.conf.js",
-    "test:lib:azure:tgrid": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.azure.tree-grid.conf.js",
-    "test:lib:azure:hgrid": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.azure.hierarchical-grid.conf.js",
-    "test:lib:azure:others": "ng test igniteui-angular --watch=false --no-progress --code-coverage --karma-config=./projects/igniteui-angular/karma.azure.non-grid.conf.js",
     "test:lib:watch": "ng test igniteui-angular",
     "test:schematics": "ts-node --project projects/igniteui-angular/migrations/tsconfig.json ./node_modules/jasmine/bin/jasmine.js ./projects/igniteui-angular/migrations/**/*.spec.ts ./projects/igniteui-angular/schematics/**/*.spec.ts",
     "build:lib": "ng build igniteui-angular --prod && gulp build-style",
@@ -93,7 +85,6 @@
     "karma-coverage-istanbul-reporter": "~2.0.4",
     "karma-jasmine": "~2.0.1",
     "karma-jasmine-html-reporter": "~1.4.0",
-    "karma-jasmine-spec-tags": "^1.1.0",
     "karma-junit-reporter": "^1.2.0",
     "karma-spec-reporter": "~0.0.32",
     "lunr": "^2.3.5",