MNT Refactors doc test into seperate script (#12248)

.travis.yml

@@ -62,7 +62,10 @@ matrix:
        if: type = cron OR commit_message =~ /\[scipy-dev\]/
 
 install: source build_tools/travis/install.sh
-script: bash build_tools/travis/test_script.sh
+script: 
+  - bash build_tools/travis/test_script.sh
+  - bash build_tools/travis/test_docs.sh
+  - bash build_tools/travis/test_pytest_soft_dependency.sh
 after_success: source build_tools/travis/after_success.sh
 notifications:
   webhooks:

build_tools/travis/test_docs.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+
+if [[ "$SKIP_TESTS" != "true" ]]; then
+    set -x
+    make test-doc
+fi

build_tools/travis/test_pytest_soft_dependency.sh

@@ -0,0 +1,18 @@
+##!/bin/bash
+
+set -e
+
+if [[ "$CHECK_PYTEST_SOFT_DEPENDENCY" == "true" ]]; then
+    conda remove -y py pytest || pip uninstall -y py pytest
+    if [[ "$COVERAGE" == "true" ]]; then
+        # Need to append the coverage to the existing .coverage generated by
+        # running the tests
+        CMD="coverage run --append"
+    else
+        CMD="python"
+    fi
+    # .coverage from running the tests is in TEST_DIR
+    cd $TEST_DIR
+    $CMD -m sklearn.utils.tests.test_estimator_checks
+    cd $OLDPWD
+fi

build_tools/travis/test_script.sh

@@ -46,11 +46,6 @@ run_tests() {
     set -x  # print executed commands to the terminal
 
     $TEST_CMD sklearn
-
-    # Going back to git checkout folder needed to test documentation
-    cd $OLDPWD
-
-    make test-doc
 }
 
 if [[ "$RUN_FLAKE8" == "true" ]]; then
@@ -60,18 +55,3 @@ fi
 if [[ "$SKIP_TESTS" != "true" ]]; then
     run_tests
 fi
-
-if [[ "$CHECK_PYTEST_SOFT_DEPENDENCY" == "true" ]]; then
-    conda remove -y py pytest || pip uninstall -y py pytest
-    if [[ "$COVERAGE" == "true" ]]; then
-        # Need to append the coverage to the existing .coverage generated by
-        # running the tests
-        CMD="coverage run --append"
-    else
-        CMD="python"
-    fi
-    # .coverage from running the tests is in TEST_DIR
-    cd $TEST_DIR
-    $CMD -m sklearn.utils.tests.test_estimator_checks
-    cd $OLDPWD
-fi